You can require comments to be approved depending on <x id="START_LINK" ctype="x-a" equiv-text="<a routerLink="/my-account/auto-tag-policies" target="_blank">"/>your auto-tags policies<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>
We recommend you to not use the <x id="START_TAG_STRONG" ctype="x-strong" equiv-text="<strong>"/>root<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="</strong>"/> user to publish your videos, since it's the super-admin account of your instance.