Is it possible Admin can set the points per product, category wise product and globally?

Yes We have the features Admin Can Set the points as follows :-

1. Globally
2. Category wise
3. Per Product wise

   Go to Points and Rewards Setting >> Assign product Points Setting >> Enable Global Product point and enter the points according to needs .
   Go to Points and Rewards Setting >> Assign product Points Setting  >> Enable Category Product point and enter the points according to  needs .