Hello Bogdan,
For any Printout related info kindly contact your abaper...
Normally in PO Printout there are two address...
1. Ordered by - take the address from the PLant (tcode: OX10) company itself places an order.
2. Invoice to: take the address from the vendor (XK01). Partner function can be used here...
3. Ship to : it can be plant address/ storage location address...(tcode: OX10/ OX09). Ship to means GRN will be in your company premises...
Hope so i have understood your reqyirement and this solution will solve your problem..
Regards,
Priti.