Navigate to a customer in the Stax Bill Admin UI. The audit log on a customer in the admin UI can be found in the bottom right of the customer block:
Some additional details of the interactions can be found in the download:
You can also navigate to Reports, Audit Log, and set the Stax Bill ID of the customer that you're working with:
Not everything is logged, but if you encounter a specific piece of information you're looking for, let us know so that we can provide appropriate feedback to product management.