If you are using token based enrollments and need to allow admin to preview the messages (with or without QR codes) you probably noticed that this is not possible since UEM 2107 as described here - https://kb.omnissa.com/s/article/87960
However, there is a feature flag that provides a way to enable it. For more details, there is great blog written by Patrick Zoeller:
https://digitalworkspace.one/2022/08/25/re-enable-admin-preview-of-enrollment-messages-in-uem/