https://userapps.support.sap.com/sap/support/knowledge/en/3685281
3685281 - PR from Ariba Does Not Automatically Convert to PO in S/4HANA Public Cloud
After integrating Ariba Buying (2NV) with S/4HANA Public Cloud via CPI, the Purchase Order is not created automatically in S/4HANA. Ariba PR is approved in...