BAdI mentioned in S/4HANA Cloud Commnity can be used to check the PO before save.
- Sourcing and Procurement
- SAP S/4HANA Cloud
More details can be found in S/4HANA Cloud Commnity below:
How-To: Avoid Purchase Order creation once the Purchase Requisition Quantity is exceeded / BAdI Implementation for Final Check Before Save
S4, HANA, BAdI, PO, Purchase Order , KBA , MM-PUR-PO , Purchase Orders , Problem