Org Members unable to access release channels

Hello,

We are experiencing an issue where a few members of our organisation are unable to view an unreleased applications release channels.

• I have confirmed they have no app constraints.
• I have confirmed they are correctly logged into their account.
• They can view everything in the back end.
• When clicking through to the PDP they have a limited amount of information visible and the "Version" field reads as "N/A".
• I've tried changing their organisation role.
• I've tried removing and re-adding them to the organisation.
• Inviting the affected people to a specific release channel then allows them access, and the ability to see all the other release channels for that application on the PDP.
  • If they are then removed, they become unable to see any release channels again.

Is this a known issue, or perhaps there is something else I can verify on my end as to why this might not be working?

Many thanks,
Ryan.