For example: Your business operates in a industry where you customer book you service through a app or web. So, you might need to see every details related to you bookings, leads. And you might also want to do needed changes to you bookings like cancel it, reschedule it, etc. This all you can do through admin panel. Other than these, there are multiple operations that you have to do at the business level to optimize and grow you business.
All this will be provided in the admin panel.