Can the team write in different languages? Yes. Assets default to the project's language, but you can ask for a different one — "write this in English and also produce a Japanese version." The team handles it.
What if my language isn't on the list? The team will do its best, but the quality won't match the seven supported languages. Let us know and we'll prioritize it.
To meet the team that writes in these languages, see meet your AI team.