1. SAP Help Portal, SAP S/4HANA, "Manage RFQs": This official documentation for the Fiori app (F1991) states, "You can create a request for quotation (RFQ) in the following ways: Manually, from scratch [standalone]. By referencing one or more purchase requisitions." This supports options A and C.
Source: SAP Help Portal, SAP S/4HANA Cloud, "Manage RFQs", Document Version: 2402.
2. SAP Help Portal, SAP ERP, "Creating an RFQ": The documentation for the classic transaction (ME41) details the creation process. It specifies, "You can create an RFQ: With reference to a purchase requisition... With reference to an outline agreement (a contract or a scheduling agreement)... Without reference to another document." This supports options A, C, and E.
Source: SAP Help Portal, SAP ERP 6.0 EHP8, "Creating an RFQ", Section: "Prerequisites".
3. SAP Help Portal, SAP S/4HANA, "MRP Run": The documentation on the MRP process outlines its outputs. It states, "The result of the planning run is procurement proposals... The system creates purchase requisitions for materials that are procured externally." It makes no mention of directly creating RFQs. This confirms option B is incorrect.
Source: SAP Help Portal, SAP S/4HANA, "MRP Live: Planning Run", Document Version: 2023.