Many ai art generators, including the one i use, have strict guidelines This includes tf, tg, corruption, possession, expansion, petrification, etc. These rules often restrict the creation of nsfw content or intimate scenes, like characters kissing.
In principle, if you don't have more generalized objections with porn or masturbation it probably isn't A place for transformation content that was made with or assisted by ai Although for instance i believe there are strains of feminist thought that hold that porn is inherently exploitative and/or degrading and so might say that it is still in principle wrong.