If you have multiple Suppliers who supply you with the same Item, you usually send out a message (Request for Quote) to various Suppliers. In many cases, especially if you have centralized buying, you may want to record all the quotes so that
Supplier Quotations are not necessary for most small businesses. Always evaluate the cost of collecting information to the value it provides! You could only do this for high value items.
You can make a Supplier Quotation directly from:
Buying > Supplier Quotation > New Supplier Quotation
or directly from the Purchase Request.