I work in a university and I need to share reports with other departments. I'd like to know if I can publish the report to the server and share the link with specific people who're not registered on Tableau. Thanks!
That depends on what you mean and how the Server is deployed. The Server Administrator has the option of allowing Guest access, but it may be constrained on how many Guests are allowed, depending on the Licensing model that was purchased.
Certainly any Published worksheet can become a corresponding URL.