Smart tabs are independently adjustable.
My fuel tank and kicker are both on the port side so I have that tab adjusted more than starboard.
I think you need to mount them in pairs.
Yes, they need to be mounted in pairs. Unless you have a really serious listing issue, there shouldn't be any need to adjust them individually.
OP, visit the Nauticus website and read up on how they work. They're designed to keep the bow down to get you on plane quicker, and to help correct list.The tab opposite the listing side will automatically act to help correct the list, even as passengers move around the boat. I used them on a 21' Pro-Line and they did the job. On a small, light boat like yours ST's should be more than adequate.
My .02