How should Apple DEP work with Intune, should devices be automatically enrolled and have supervised mode on from factory?

im setting up DEP for Apple with Intune
the dep has been setup
the dep server has been linked with intune
and the devices show up in the apple dep
i assign them to my intune server
the intune dep profile was set to supervised
the phones in intune still say they need to be enrolled
when i enroll them they dont go into supervised mode
i also thought the dep process was to automate the enrollment etc