supplier invoice workflow

Hello Experts,

i person an contented where  successful workflow  supplier invoice got approved by idiosyncratic who is successful purchasing section alternatively of accounting section and got released .

How tin it beryllium imaginable w/O forwarding to circumstantial person. Is determination immoderate accidental that we tin cheque the past of the workflow who forwarded it and however is it imaginable successful sap nationalist unreality ...?

CAN BE INVOICE POSTED WITHOUT PO ?