1. On the 'Devices' tab, locate the device we desire to send the VPP invite to.
2. Under the Ellipsis (...) in the upper righthand corner, there is the option to "Send VPP invite"
3. The device will receive the request to join VPP during the next Device Inventory. Once accepted, Apps will assign to the Apple ID signed in on the device rather than the Serial Number of the device.