Hi Austin

If you want to restrict access to the data you should look into Row Level Security  see the link Restrict Data Access with User Filters and Row Level Security - Tableau

Jim

If this posts assists in resolving the question, please mark it helpful or as the 'correct answer' if it resolves the question. This will help other users find the same answer/resolution.  Thank you.

Apply this and set as true USERNAME()=[Customer Name]

See more Create a User Filter and Secure it for Publishing - Tableau

Please mark the answer if helpful

Ritesh