Summary

As of now, there is no information that add-ons users created in Cloud instance will not be included in the billing. These are part of the system users (with @connect.atlassian.com domain) which don't take up a license seat, even if they are granted with Application access.

Suggestion to add in the following documents or create a new one:

• https://confluence.atlassian.com/cloud/manage-application-access-744721629.html
• https://confluence.atlassian.com/cloud/billing-and-user-count-873871345.html