Kiosk Mode Not Working

Has anyone utilized Kiosk mode for Xcitium MDM ? I’m finding it attempts to install, then seems to “crash” - the Kiosk option within Endpoint Communication Manager appears, the screen goes black, then returns back to normal operation and the Kiosk option is no longer seen at the bottom of the app.

Samsung S10E phone, Android version 12 w. Knox Security

Thanks in advance !