Feel free, certainly! English subtitles exist, so you could take a language subtitle file and align the timing or even just do a custom translation if you really want to.
I’ll try to do Spanish for ROTJ that I’m trying to get out the door, and the others sometime later.
For now, I meant only the up coming Ascendant project when it comes out 😉 but when I have more free Time I can try others 😉