No, we are not using a caching plugin on the website.
Hi, I have the same problem as this and I installed Members plugin as suggested above and cloned the admin role and named in Moderator.
However the Moderator option is not showing and I can’t hide areas for users that has Moderator role.
Please see screenshot below
https://drive.google.com/file/d/1kl_4IIN9oRAPy7pGGX5bKTf5ndU1sVKe/view?usp=drivesdk
I manage to get it working. This is already resolved.