Assign Suggested Buyer on Smart Forms and Noncatalog Requests

Summary:

Many 25B RSSP features have been enabled using the Opt In UI, but several features are not appearing in the list to opt-in. For example, the "Assign Suggested Buyer on Smart Forms and Non-Catalog Requests" feature is mentioned in the steps to enable, but it is not available in the Opt In UI. What could be the reason for this discrepancy?

All below 4 features are not available

Use Negotiation Options for Catalog Shopping-Based Items
Assign Suggested Buyer on Smart Forms and Noncatalog Requests
Use Extended Precision for Price and Quantity in Requisitions
Access Edit Requisition Line Details Directly from Shopping Cart