There is a setting - Require moderator approval of all new topics - that ensures that all new topics in a particular category need to be approved by a moderator.
But how can I ensure that Admin approval is required for all new topics?
I saw the post - Require approval for all new topics - but I don’t want to apply this restriction throughout the Community. I want it only on one particular category of the Community.
There is only very limited support for restricting reviewables to a certain group of people, and I believe that staff (moderator+admin) can always handle all of them.