Can you control which categories count toward screen time? If so I take it back.
Yes - you can set multiple daily limits (they reset at midnight and that can’t be changed), and each one can apply to one or more apps, categories, or websites. You can also select almost all the apps in a category and omit a couple, but then future apps in that category won’t be limited automatically. And you can choose specific apps to never be limited.
So you could set a 3 hour limit for Social apps, Games, a couple individually chosen other apps, and some specific websites, as well as a 5 minute limit toward the Facebook app and facebook.com, if you wanted.
If you mean the screen time tracking, then I don’t know think you can do that, but it gives you both your overall time as well as breakdowns by category (at least the top few categories), so you can do the math on your own.