I had recently a problem with AzureAD integration with Cisco FMC 7.4.2 and it was getting integrated and was able to partially downloaded and it was giving SQL related error. to get this resolved some highly contained object groups i did excluded with wildcard *{group_Name}.
then noticed that i can't configure the identity policy agains the AzureAD ADReaml becuase it was not showing for me to seclect the identity store.
last but not the least in FMC 7.4.xx after AzureAD integration we don't need to configure the identity policy so just in ACP --> users we can find the users.