Queen Amidala had really no previous references to be compared to. Other than maybe Leia. Reva will be compared to Vader, Palps, Maul, Dooku, the previous Inquisitors from Rebels, and sadly, Kylo Ren.
Amidala only needed to emulate a passionate Queen that cares for her people. Not need to have the ability to stare through the camera lens and instil fear to the viewers. Lucas literally told the designers when creating the visuals for Maul to delve into their worst Nightmares. And he chose him from hundreds of concept drawings. Reva was not created in the same vein as even any of the other Inquisitors. She was a casting call.
As for her performance, no matter how good a directors direction for the actors may be, it certainly wouldn't hold the same weight as seeing how all those similar characters were portrayed and brought to life on screen. Especially when your character will become part of a long line of well known on screen villains.