SO PO Link Enquiries
Use the Enquiry tab to view linked sales orders and purchase orders.
When enquiry results are returned to the enquiry table, select the order line to view links for.
Note: This tab is not enabled if you're positioned on the order header. You must click the linked order line.
If you click the Link Enquiry tab, all orders linked to the selected order line display in the table. You can double click an order to view the originating transaction in enquiry mode.