Note: Material is not activated for QM in Procurement

The correct Answer for this question is Option 1 :
Yes. It allows to do GR of open Purchase Orders

As per Blocking Vendor for purchasing organization logic, system won’t allow to create new Purchase Orders to do Purchasing with the Vendor. But it allows to finish any pending Goods Receipts and Pending Invoice Receipts

Best Regards,

Ganesh Padala