https://userapps.support.sap.com/sap/support/knowledge/en/2799621
2799621 - Purchase Requisition opens in the Advanced (ME53N) app - SAP Fiori & SAP S/4HANA | SAP...
When selecting a purchase requisition in any Fiori app (e.g. Manage/Process Purchase Requisitions , Manage Purchase Requisitions Professional , Monitor...
https://userapps.support.sap.com/sap/support/knowledge/en/3050684
3050684 - Not able to create GOS Attachment in display mode in ME23N / ME53N /ME43 - SAP S/4HANA...
In ME23N in display mode, It's not possible to create GOS attachment for purchase order (PO). In ME53N in display mode, It's not possible to create GOS...