I currently possess administrative rights within ASC and have accepted an invitation to join a group with administrative privileges. Subsequently, there were no issues accessing ASC. However, when attempting to modify Certificates, Identifiers & Profiles and accessing (developer.apple.com), the associated account is not displayed.
I'm curious whether the permission granting access to Certificates, Identifiers & Profiles is exclusive to the account owner.
Apple Developer Program Roles has all the gory details here. The most common cause of confusion is covered by this quote:
If you’re enrolled as an individual and add users in App Store Connect, users receive access only to your content in App Store Connect and are not considered part of your team in the Apple Developer Program.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"