Symptom
You want to assign the catalog SAP_PRC_BC_PURCHASER_PR to a business role but it doens´t exist.
Environment
SAP S/4HANA Cloud Public Edition 1708
Reproducing the Issue
Step 1: Maintain Business Role
Step 2: select role z_SAP_BR_PURCHASER
Step 3: Assigned Business Catalogs --> Add
Step 4 : search SAP_PRC_BC_PURCHASER_PR but no catalog found
Cause
The APP Manage Purchase Requistion Professional uses SAP_MM_BC_PR_PROCESS_PC.
SAP_PRC_BC_PURCHASER_PR is used for ON PREMISE Produts.
Resolution
Please assign SAP_MM_BC_PR_PROCESS_PC to your PURCHASER Business Role.
Assign the Busines role to your Business User in hte App Maintain Business Users.
The App will appear.
Keywords
SAP_PRC_BC_PURCHASER_PR , KBA , MM-FIO-PUR-REQ-PRF , Manage Purchase Requisitions – Professional , Problem