I have long been using automatic content moderation https://newmediaservices.com.au/fundamental-basics-of-content-moderation/ because for me it is just the most convenient, but you can go and other moderation.
It all depends on what you need and what you want to get from moderation.
Actually, I would advise you to read this article if you are interested in this question, it has a lot of useful information about different types of moderation.
Automatic moderation works by using special content moderation applications to filter out certain offensive words and multimedia content. Detection of inappropriate posts becomes automatic and smoother. IP addresses of users classified as offensive can also be blocked using automatic moderation.
I had not heard before that moderation is so important when dealing with clients.
Now I will know and use it, I think it will make the job a lot easier in terms of knowing the needs of the client.