Logged in user can use an external watch feature, add comments and attachments, change an issue’s status (if it is enabled on the shared link), can open links shared with him by selected user functionality.
Logged in user also has access to:
Dashboard
Shared with you
Lists pages shared with you using the Selected Users feature.
Subscriptions
Lists the pages to which you are currently subscribed using the External Watch feature.
The unsubscribe icon from the Actions column allows unsubscribing from receiving notifications about changes.
Settings
In the “Profile” tab you can change your name and last name
In the “Password” tab you can change your password
In the “Delete account” you can delete your account