They see the content you shared β for example, the report or the conversation.
They generally cannot see the rest of your workspace, your other chats, or your settings.
For a shared app or agent, they can usually use it (send it messages), but not change how itβs built.
A share link works for anyone who has it. Only send it to people you trust, and donβt post private information in something youβre about to share publicly. If you shared something by mistake, you can turn the link off from the same Share panel.