https://userapps.support.sap.com/sap/support/knowledge/en/2488354
2488354 - Purchase order or Purchase requisition: Approver or Approver name not displayed in...
When processing a Purchase Order(PO) or a Purchase Requisition(PR) the 'Approver' (Processor) column in the Release Strategy tab is not displayed, and only...
purchase ordernot displayedrequisitionapprovername