The Billing Admin User in Chargebee Retention has the ability to manage your Company Level settings within the Chargebee Retention Settings page.
These users have an enhanced set of functionality from a typical Chargebee Retention user, namely, they can:
Each Chargebee Retention account will have one Billing Admin, however, you can request to have another user granted this access via retention-support@chargebee.com. We by default assign the first user who signs up for the account as the Billing Admin.