Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Have you checked the dirsync schedule (in task scheduled you will see the task, the default schedule is 3h). Apart from that, the delay might simply happen because the sync engine failing to recognize changes to the AD object - in such cases you should manually 'touch' the user (i.e. change any of its attributes from ADUC).
Also, remember to always force a full sync after changing any sync rule or filtering option.