Journey Optimizer allows you to define and manage the permissions assigned to different users. Permissions are a set of rights and restrictions that authorize or deny access access to in-product features and capabilities.
Learn how to define and manage the permissions assigned to Journey Optimizer users through this detailed documentation: Access Control
Please feel free to reach out for your queries through the Community Q&A or below comment section. If you have any feedback or feature requests for the Adobe Journey Optimizer product, then submit them here.