Unify Enterprise edition can help you create a PO anytime an item marked as Dropship, within Unify Enterprise, is ordered. To mark an item as drop shipped, simply go to Products >> My Products and click the truck button to mark the item as drop shipped.
Anytime a dropshipped item is ordered, Unify Enterprise will create a PO for you at the time of posting the order to QuickBooks. Remember you must have setup the Purchase Order creation options before this. Click here to learn how to setup Purchase order creation options.