Can we create purchase requisition when there is no onhand through supply request for non B2B or DS

Summary:

After sales order submit, Can we create purchase requisition when there is no onhand through supply request for non Back to Back and Drop ship item, can it possible to create Custom DOO to achieve this

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After sales order submit, Can we create purchase requisition when there is no onhand through supply request for non Back to Back and Drop ship item, can it possible to create Custom DOO to achieve this

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