The Billing Owner role is specific to managing payment for Bocada Cloud. For example, this role could be assigned to a finance or accounting person who only handles payment-related activities.
A user with only this role can perform no other functions in Bocada Cloud except for payment-related actions such as adding or editing a payment method, viewing payment status, etc.
Alternatively, a user can have the Billing Owner role in addition to one of the other roles. An individual who signs up and registers for Bocada Cloud on their own (was not added to Bocada Cloud by another user) will be automatically assigned the Billing Owner role which can be re-assigned if needed. Note: there can be more than one user with a Billing Owner role.