diff --git a/erpnext/hr/doctype/employee/employee.py b/erpnext/hr/doctype/employee/employee.py
index 629bc57..ed7d588 100755
--- a/erpnext/hr/doctype/employee/employee.py
+++ b/erpnext/hr/doctype/employee/employee.py
@@ -80,6 +80,7 @@
 			self.update_user()
 			self.update_user_permissions()
 		self.reset_employee_emails_cache()
+		self.update_approver_role()
 
 	def update_user_permissions(self):
 		if not self.create_user_permission: return
@@ -145,6 +146,17 @@
 
 		user.save()
 
+	def update_approver_role(self):
+		if self.leave_approver:
+			user = frappe.get_doc("User", self.leave_approver)
+			user.flags.ignore_permissions = True
+			user.add_roles("Leave Approver")
+
+		if self.expense_approver:
+			user = frappe.get_doc("User", self.expense_approver)
+			user.flags.ignore_permissions = True
+			user.add_roles("Expense Approver")
+
 	def validate_date(self):
 		if self.date_of_birth and getdate(self.date_of_birth) > getdate(today()):
 			throw(_("Date of Birth cannot be greater than today."))
@@ -503,7 +515,7 @@
 	})
 
 def has_upload_permission(doc, ptype='read', user=None):
-	if not user: 
+	if not user:
 		user = frappe.session.user
 	if get_doc_permissions(doc, user=user, ptype=ptype).get(ptype):
 		return True
diff --git a/erpnext/hr/doctype/expense_claim/expense_claim.py b/erpnext/hr/doctype/expense_claim/expense_claim.py
index e7bb6dc..5010fc3 100644
--- a/erpnext/hr/doctype/expense_claim/expense_claim.py
+++ b/erpnext/hr/doctype/expense_claim/expense_claim.py
@@ -6,7 +6,7 @@
 from frappe import _
 from frappe.utils import get_fullname, flt, cstr, get_link_to_form
 from frappe.model.document import Document
-from erpnext.hr.utils import set_employee_name
+from erpnext.hr.utils import set_employee_name, share_doc_with_approver
 from erpnext.accounts.party import get_party_account
 from erpnext.accounts.general_ledger import make_gl_entries
 from erpnext.accounts.doctype.sales_invoice.sales_invoice import get_bank_cash_account
@@ -53,6 +53,9 @@
 		elif self.docstatus == 1 and self.approval_status == 'Rejected':
 			self.status = 'Rejected'
 
+	def on_update(self):
+		share_doc_with_approver(self, self.expense_approver)
+
 	def set_payable_account(self):
 		if not self.payable_account and not self.is_paid:
 			self.payable_account = frappe.get_cached_value('Company', self.company, 'default_expense_claim_payable_account')
diff --git a/erpnext/hr/doctype/expense_claim/test_expense_claim.py b/erpnext/hr/doctype/expense_claim/test_expense_claim.py
index f9e3a44..3f22ca2 100644
--- a/erpnext/hr/doctype/expense_claim/test_expense_claim.py
+++ b/erpnext/hr/doctype/expense_claim/test_expense_claim.py
@@ -95,12 +95,12 @@
 	def test_rejected_expense_claim(self):
 		payable_account = get_payable_account(company_name)
 		expense_claim = frappe.get_doc({
-			 "doctype": "Expense Claim",
-			 "employee": "_T-Employee-00001",
-			 "payable_account": payable_account,
-			 "approval_status": "Rejected",
-			 "expenses":
-			 	[{ "expense_type": "Travel", "default_account": "Travel Expenses - _TC4", "amount": 300, "sanctioned_amount": 200 }]
+			"doctype": "Expense Claim",
+			"employee": "_T-Employee-00001",
+			"payable_account": payable_account,
+			"approval_status": "Rejected",
+			"expenses":
+				[{ "expense_type": "Travel", "default_account": "Travel Expenses - _TC4", "amount": 300, "sanctioned_amount": 200 }]
 		})
 		expense_claim.submit()
 
@@ -110,6 +110,34 @@
 		gl_entry = frappe.get_all('GL Entry', {'voucher_type': 'Expense Claim', 'voucher_no': expense_claim.name})
 		self.assertEquals(len(gl_entry), 0)
 
+	def test_expense_approver_perms(self):
+		user = "test_approver_perm_emp@example.com"
+		make_employee(user, "_Test Company")
+
+		# check doc shared
+		payable_account = get_payable_account("_Test Company")
+		expense_claim = make_expense_claim(payable_account, 300, 200, "_Test Company", "Travel Expenses - _TC", do_not_submit=True)
+		expense_claim.expense_approver = user
+		expense_claim.save()
+		self.assertTrue(expense_claim.name in frappe.share.get_shared("Expense Claim", user))
+
+		# check shared doc revoked
+		expense_claim.reload()
+		expense_claim.expense_approver = "test@example.com"
+		expense_claim.save()
+		self.assertTrue(expense_claim.name not in frappe.share.get_shared("Expense Claim", user))
+
+		expense_claim.reload()
+		expense_claim.expense_approver = user
+		expense_claim.save()
+
+		frappe.set_user(user)
+		expense_claim.reload()
+		expense_claim.status = "Approved"
+		expense_claim.submit()
+		frappe.set_user("Administrator")
+
+
 def get_payable_account(company):
 	return frappe.get_cached_value('Company', company, 'default_payable_account')
 
@@ -133,21 +161,21 @@
 
 	currency, cost_center = frappe.db.get_value('Company', company, ['default_currency', 'cost_center'])
 	expense_claim = {
-		 "doctype": "Expense Claim",
-		 "employee": employee,
-		 "payable_account": payable_account,
-		 "approval_status": "Approved",
-		 "company": company,
-		'currency': currency,
-		 "expenses": [{
+		"doctype": "Expense Claim",
+		"employee": employee,
+		"payable_account": payable_account,
+		"approval_status": "Approved",
+		"company": company,
+		"currency": currency,
+		"expenses": [{
 			"expense_type": "Travel",
 			"default_account": account,
 			"currency": currency,
 			"amount": amount,
 			"sanctioned_amount": sanctioned_amount,
 			"cost_center": cost_center
-			}]
-		}
+		}]
+	}
 	if taxes:
 		expense_claim.update(taxes)
 
diff --git a/erpnext/hr/doctype/leave_application/leave_application.py b/erpnext/hr/doctype/leave_application/leave_application.py
index 350cead..0bf551e 100755
--- a/erpnext/hr/doctype/leave_application/leave_application.py
+++ b/erpnext/hr/doctype/leave_application/leave_application.py
@@ -6,7 +6,7 @@
 from frappe import _
 from frappe.utils import cint, cstr, date_diff, flt, formatdate, getdate, get_link_to_form, \
 	comma_or, get_fullname, add_days, nowdate, get_datetime_str
-from erpnext.hr.utils import set_employee_name, get_leave_period
+from erpnext.hr.utils import set_employee_name, get_leave_period, share_doc_with_approver
 from erpnext.hr.doctype.leave_block_list.leave_block_list import get_applicable_block_dates
 from erpnext.hr.doctype.employee.employee import get_holiday_list_for_employee
 from erpnext.buying.doctype.supplier_scorecard.supplier_scorecard import daterange
@@ -43,6 +43,8 @@
 			if frappe.db.get_single_value("HR Settings", "send_leave_notification"):
 				self.notify_leave_approver()
 
+		share_doc_with_approver(self, self.leave_approver)
+
 	def on_submit(self):
 		if self.status == "Open":
 			frappe.throw(_("Only Leave Applications with status 'Approved' and 'Rejected' can be submitted"))
@@ -417,6 +419,7 @@
 			))
 			create_leave_ledger_entry(self, args, submit)
 
+
 def get_allocation_expiry(employee, leave_type, to_date, from_date):
 	''' Returns expiry of carry forward allocation in leave ledger entry '''
 	expiry =  frappe.get_all("Leave Ledger Entry",
diff --git a/erpnext/hr/doctype/leave_application/test_leave_application.py b/erpnext/hr/doctype/leave_application/test_leave_application.py
index 48bfa0c..b54c971 100644
--- a/erpnext/hr/doctype/leave_application/test_leave_application.py
+++ b/erpnext/hr/doctype/leave_application/test_leave_application.py
@@ -11,6 +11,7 @@
 from erpnext.hr.doctype.leave_type.test_leave_type import create_leave_type
 from erpnext.hr.doctype.leave_allocation.test_leave_allocation import create_leave_allocation
 from erpnext.hr.doctype.leave_policy_assignment.leave_policy_assignment import create_assignment_for_multiple_employees
+from erpnext.hr.doctype.employee.test_employee import make_employee
 
 test_dependencies = ["Leave Allocation", "Leave Block List", "Employee"]
 
@@ -567,6 +568,48 @@
 
 		self.assertEquals(get_leave_balance_on(employee.name, leave_type.name, add_days(nowdate(), -85), add_days(nowdate(), -84)), 0)
 
+	def test_leave_approver_perms(self):
+		employee = get_employee()
+		user = "test_approver_perm_emp@example.com"
+		make_employee(user, "_Test Company")
+
+		# set approver for employee
+		employee.reload()
+		employee.leave_approver = user
+		employee.save()
+		self.assertTrue("Leave Approver" in frappe.get_roles(user))
+
+		make_allocation_record(employee.name)
+
+		application = self.get_application(_test_records[0])
+		application.from_date = '2018-01-01'
+		application.to_date = '2018-01-03'
+		application.leave_approver = user
+		application.insert()
+		self.assertTrue(application.name in frappe.share.get_shared("Leave Application", user))
+
+		# check shared doc revoked
+		application.reload()
+		application.leave_approver = "test@example.com"
+		application.save()
+		self.assertTrue(application.name not in frappe.share.get_shared("Leave Application", user))
+
+		application.reload()
+		application.leave_approver = user
+		application.save()
+
+		frappe.set_user(user)
+		application.reload()
+		application.status = "Approved"
+		application.submit()
+
+		# unset leave approver
+		frappe.set_user("Administrator")
+		employee.reload()
+		employee.leave_approver = ""
+		employee.save()
+
+
 def create_carry_forwarded_allocation(employee, leave_type):
 		# initial leave allocation
 		leave_allocation = create_leave_allocation(
diff --git a/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py b/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py
index 66dced4..cf13036 100644
--- a/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py
+++ b/erpnext/hr/doctype/leave_ledger_entry/leave_ledger_entry.py
@@ -34,8 +34,8 @@
 	""", (ledger.employee, ledger.leave_type, ledger.from_date, ledger.to_date))
 
 	if leave_application_records:
-		frappe.throw(_("Leave allocation %s is linked with leave application %s"
-			% (ledger.transaction_name, ', '.join(leave_application_records))))
+		frappe.throw(_("Leave allocation {0} is linked with the Leave Application {1}").format(
+			ledger.transaction_name, ', '.join(leave_application_records)))
 
 def create_leave_ledger_entry(ref_doc, args, submit=True):
 	ledger = frappe._dict(
diff --git a/erpnext/hr/doctype/shift_request/shift_request.py b/erpnext/hr/doctype/shift_request/shift_request.py
index 473193d..177c45e 100644
--- a/erpnext/hr/doctype/shift_request/shift_request.py
+++ b/erpnext/hr/doctype/shift_request/shift_request.py
@@ -7,6 +7,7 @@
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils import formatdate, getdate
+from erpnext.hr.utils import share_doc_with_approver
 
 class OverlapError(frappe.ValidationError): pass
 
@@ -17,6 +18,9 @@
 		self.validate_approver()
 		self.validate_default_shift()
 
+	def on_update(self):
+		share_doc_with_approver(self, self.approver)
+
 	def on_submit(self):
 		if self.status not in ["Approved", "Rejected"]:
 			frappe.throw(_("Only Shift Request with status 'Approved' and 'Rejected' can be submitted"))
@@ -29,6 +33,7 @@
 			if self.to_date:
 				assignment_doc.end_date = self.to_date
 			assignment_doc.shift_request = self.name
+			assignment_doc.flags.ignore_permissions = 1
 			assignment_doc.insert()
 			assignment_doc.submit()
 
diff --git a/erpnext/hr/doctype/shift_request/test_shift_request.py b/erpnext/hr/doctype/shift_request/test_shift_request.py
index 230bb2b..9c0d8e3 100644
--- a/erpnext/hr/doctype/shift_request/test_shift_request.py
+++ b/erpnext/hr/doctype/shift_request/test_shift_request.py
@@ -6,6 +6,7 @@
 import frappe
 import unittest
 from frappe.utils import nowdate, add_days
+from erpnext.hr.doctype.employee.test_employee import make_employee
 
 test_dependencies = ["Shift Type"]
 
@@ -19,19 +20,8 @@
 		set_shift_approver(department)
 		approver = frappe.db.sql("""select approver from `tabDepartment Approver` where parent= %s and parentfield = 'shift_request_approver'""", (department))[0][0]
 
-		shift_request = frappe.get_doc({
-			"doctype": "Shift Request",
-			"shift_type": "Day Shift",
-			"company": "_Test Company",
-			"employee": "_T-Employee-00001",
-			"employee_name": "_Test Employee",
-			"from_date": nowdate(),
-			"to_date": add_days(nowdate(), 10),
-			"approver": approver,
-			"status": "Approved"
-		})
-		shift_request.insert()
-		shift_request.submit()
+		shift_request = make_shift_request(approver)
+
 		shift_assignments = frappe.db.sql('''
 				SELECT shift_request, employee
 				FROM `tabShift Assignment`
@@ -44,8 +34,65 @@
 			shift_assignment_doc = frappe.get_doc("Shift Assignment", {"shift_request": d.get('shift_request')})
 			self.assertEqual(shift_assignment_doc.docstatus, 2)
 
+	def test_shift_request_approver_perms(self):
+		employee = frappe.get_doc("Employee", "_T-Employee-00001")
+		user = "test_approver_perm_emp@example.com"
+		make_employee(user, "_Test Company")
+
+		# set approver for employee
+		employee.reload()
+		employee.shift_request_approver = user
+		employee.save()
+
+		shift_request = make_shift_request(user, do_not_submit=True)
+		self.assertTrue(shift_request.name in frappe.share.get_shared("Shift Request", user))
+
+		# check shared doc revoked
+		shift_request.reload()
+		department = frappe.get_value("Employee", "_T-Employee-00001", "department")
+		set_shift_approver(department)
+		department_approver = frappe.db.sql("""select approver from `tabDepartment Approver` where parent= %s and parentfield = 'shift_request_approver'""", (department))[0][0]
+		shift_request.approver = department_approver
+		shift_request.save()
+		self.assertTrue(shift_request.name not in frappe.share.get_shared("Shift Request", user))
+
+		shift_request.reload()
+		shift_request.approver = user
+		shift_request.save()
+
+		frappe.set_user(user)
+		shift_request.reload()
+		shift_request.status = "Approved"
+		shift_request.submit()
+
+		# unset approver
+		frappe.set_user("Administrator")
+		employee.reload()
+		employee.shift_request_approver = ""
+		employee.save()
+
+
 def set_shift_approver(department):
 	department_doc = frappe.get_doc("Department", department)
 	department_doc.append('shift_request_approver',{'approver': "test1@example.com"})
 	department_doc.save()
 	department_doc.reload()
+
+def make_shift_request(approver, do_not_submit=0):
+	shift_request = frappe.get_doc({
+		"doctype": "Shift Request",
+		"shift_type": "Day Shift",
+		"company": "_Test Company",
+		"employee": "_T-Employee-00001",
+		"employee_name": "_Test Employee",
+		"from_date": nowdate(),
+		"to_date": add_days(nowdate(), 10),
+		"approver": approver,
+		"status": "Approved"
+	}).insert()
+
+	if do_not_submit:
+		return shift_request
+
+	shift_request.submit()
+	return shift_request
\ No newline at end of file
diff --git a/erpnext/hr/utils.py b/erpnext/hr/utils.py
index 0c4c1ca..190eb4f 100644
--- a/erpnext/hr/utils.py
+++ b/erpnext/hr/utils.py
@@ -504,3 +504,25 @@
 		lpa = frappe.db.get_all("Leave Policy Assignment", filters={"effective_from": getdate(), "docstatus": 1, "leaves_allocated":0})
 		for assignment in lpa:
 			frappe.get_doc("Leave Policy Assignment", assignment.name).grant_leave_alloc_for_employee()
+
+def share_doc_with_approver(doc, user):
+	# if approver does not have permissions, share
+	if not frappe.has_permission(doc=doc, ptype="submit", user=user):
+		frappe.share.add(doc.doctype, doc.name, user, submit=1,
+			flags={"ignore_share_permission": True})
+
+		frappe.msgprint(_("Shared with the user {0} with {1} access").format(
+			user, frappe.bold("submit"), alert=True))
+
+	# remove shared doc if approver changes
+	doc_before_save = doc.get_doc_before_save()
+	if doc_before_save:
+		approvers = {
+			"Leave Application": "leave_approver",
+			"Expense Claim": "expense_approver",
+			"Shift Request": "approver"
+		}
+
+		approver = approvers.get(doc.doctype)
+		if doc_before_save.get(approver) != doc.get(approver):
+			frappe.share.remove(doc.doctype, doc.name, doc_before_save.get(approver))