This article explains how you can change the user on a Mac device. If you don't go through all the necessary steps you might find that the installed apps and configurations don’t match your expectations.

1. Wipe the device. This will also remove previous user data, and make sure there are no old settings causing issues. Step-by-step instructions can also be found in the Remotely wiping a device article.
2. Change the user in GoTo Resolve MDM. You can do so by navigating to Company > Users on your GoTo Resolve MDM site and either using an existing account or creating a new one. Go to Management > Devices and double-click to open the device. Select Settings tab > Edit then select the new user from the drop-down list and select Save .
3. Re-enroll the device directly to the new user. Please see the MacOS device management(or alternatively Manual macOS device enrollment, Enrollment instructions for Mac users, or User-initiated self-enrollment of Macs)