So we have found for a managed and a non managed Sonoma machine, there is a bug in Apple's Lockdown mode.
In order to enable Lockdown mode, one must be an admin on the machine.
Once Lockdown mode is enabled, one can no longer use Apple's ARD program or ssh into that device. This is to be expected based on Apple's documentation.
We also have an additoinal admin type account on our machines so the Tech department can work on machine without the end user's login information. We could log in with that account, go to systems prefs and disable.
HOWEVER disabling lockdown mode with the other account DOES NOT restore the ability to use ARD or ssh into the machine.
I have reached out to Apple and our Apple SE but have received no followup communication.