Hello, these are not problems but the normal working of component.

1. The conversations works based on Joomla sessions, so when you disconnect and login again a new Joomla session is started and convesation are always empty. The Show latest messages entering rooms works when you are connected in the current session. Currently messages history is available in backend, in next version will be developed a messages history also in frontend, so you will be able to recover old messages on subsequent login directly from frontend.

2. Show users in chatrooms is an option to disable only the tooltip that shows the users joined in a certain chatroom. If you need to control users that are in chatroom you can use access level to manage rooms permissions.

You can download and read documentation for further explanations about how it works.

Thank you and best regards

John