You can access a report that lists who has access to data used in projects. This report cannot be modified. You can use this data to meet certain audit requirements requested by your regulators.
Download Audit Log
Go to the project for which you want to download the audit log.
Go to Settings > Access & Sharing.
In the Collaborators and permissons section, click Audit Log.
A PDF downloads.
The PDF includes all permission changes made to users that belong to the project. It records who made the change to what user, when the change was made, and the specific attributes that were changed.