https://userapps.support.sap.com/sap/support/knowledge/en/3549838
3549838 - Goods Receipt not sent to Ariba via Suite Enablement Add-on (BSAO, ARBERP) | SAP...
Goods Receipt not sent to Ariba via Suite Enablement Add-on (BSAO, ARBERP). With can be dependent on certain movement type.