I use Confluence Cloud for my organization. Let me state my requirement:
Will each such external user consume a Confluence Cloud license? Is there any other way I can accomplish my goal in Confluence Cloud that does not have me spending a license for each read-only external user?
The only way to do free access is to use anonymous.
If a user is not anonymous, then they have to log in, and to log in, you need a licence.
If you were on a server version, there are some tricks you can play, but on Cloud, no. It's anonymous or licenced user.
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