ok, But I have already do the same I had took the purchase office and use it on workflow. But When I activated OCM then We have two status one for Ln approval other for Workflow approval and this is for all the purchase Office.
and when I approve the PO then status of LN approval is approve(but PO is not approve) an Workflow status is pending approval and the PO is approved when I approve it from workflow
But I need to handle it purchase office vice. If you have any idea Please suggest.