Our organization was recently setup with a Sandbox and Production account, and 3 Admin accounts in each environment. 

We requested this setup as we were under the impression that this would enable us to have 3 Administrators, but did not realize this would create 3 distinct accounts. This has caused confusion, and we are now considering scaling back to only 1 Admin account. But we are wondering if these 2 Admins will lose access to functionality that we would like them to have.