You can assign a Public user to the Workspace and Channel of your Tube. A Public user is a default for the unregistered user, for instance, a visitor who is not registered to the Tube can still view the content for either the assigned channel or the entire workspace for all its channels.
To enable Public users make sure you have selected the correct setting for the Tube’s login type as Public site under Access Control.
In order to add the public user please follow the steps below
Step 1: Go to the settings of the workspace or a channel.
Step 2: Click on Users and then click on the Invite button
Step 3: Under find users type Public and select the default role as viewer
Step 4: Click Add and then close. That’s it! you have added the Public user.