Mac OS updates don't install automatically even though our config profile says they are set to do so
See these screenshots. The setting in Mac OS is grayed out - but NOT checked.
Having this same issue across our lab machines running Mojave and Catalina.
guess you have to run it as a policy rather than a config profile
Software Update workflow
@lmagnif , do you have a Restrictions configuration profile deployed? You should check the functionality tab and ensure that you don't have any update deferrals enabled.