Announcing SharePoint page approvals
We are happy to announce that we will be releasing SharePoint page approvals to Targeted Release. We expect to start the rollout of this feature to all Targeted Release tenants by end of July 2018.
...
Forum Discussion
Are the standard users site collection admins of their sites they are doing this on? Also they need to enable it as well.
Hi Christopher, thanks for the reply. I think I got it to work for a standard user by adding them to the first release members in Office 365. I still get the checkin error however.