Hi Gary,
You are correct that because Adagio Inventory does not have Purchase Orders built into it, you may not process receipts posted in Accpac Plus Inventory Control.
You may still use Accpac Plus to finish off those last 12, even though you have started to use Adagio!
If purchase orders is a requirement for your procedures, have you taken a look at either of the add-on products available: Purple Inventory Receipts or PO Tracker from IMS? Take a look at the 3rd party software links on our site.