Oracle Purchasing does not provide a link between PR and RFQ by any standard functionality. It is however possible to achieve the aforementioned, via a small and easy customization.
Oracle EBS R12: Inter-Organization Transfer through Internal Requisition/Internal Sale Order Flow (Setup and Scenarios)
The purpose of the document attached in this post is to present setup required to achieve and process the following scenarios:
Oracle EBS R12: Extract complete Purchasing Setup of an Employee(s) (Position, Approval Groups, Approval Assignments)
The query provided in this post will extract the complete setup of an HR Employee in Oracle Purchasing Module. This Setup includes:
Oracle EBS R12: Restrict Approval Hierarchies on Purchase Requisition & Purchase Order as per document preparer
This post will show you the procedure to restrict the Approval Hierarchies available on the Purchase Requisition and Purchase Order forms.