It’s a lemmy account setting. If the Boost app does not expose the show “show scores” setting you can change it in a browser and Boost should reflect the change once you restart it. To make the change, just go to https://lemmy.world/ and go to your account settings after you log in.
I feel the existence of an “export” option in a piece of software is noble in this day and age, and I’m so appreciative of it.
It says “look, I don’t WANT you to go to my competitor, but I’m not gonna try to hold your data hostage to prevent it.”
It’s class, as the Scottish would say.