You can turn on snooze notifications by default, and according to the Google, you are unable to remove the option. Users are also allowed to change the timing of snoozed notifications. In case, users tap on a snooze, the notification will reappear one minute before the schedule meeting. There is no admin control for this feature.

Now Snooze Calendar Notifications in Chrome

Google noted that users can also “re-snooze” a notification for an additional five minutes as many times as they would like. “By default, snoozed notifications will reappear one minute before the scheduled meeting; you can change this timing in your Calendar settings. You can also “re-snooze” a notification for an additional five minutes as many times you’d like, until the meeting ends.”