This functionality is new as of version 4.2.
Purchase Order Items can be added to a Delivery one at a time, by clicking the ‘Add All Items’ button; or, by scanning barcodes.
Refer to:
In order to have access to Add Delivery Items:
One of the following must apply:
The User is assigned to the Destination Inventory Area (Hospital Unit), and has the 'Purchase Order' Elevated Privilege; OR,
The User is a member of a Security Role that is assigned to the Destination Inventory Area (Hospital Unit), and has the 'Purchase Order' Elevated Privilege.
Refer to:
To Add Delivery Items from Barcodes: