English translation available here: http://islam786books.com/index.php?...ucts_id=2648&zenid=fuh2gemdknsgqbuivtir7jnqu7
Yes many Urdu translations, with explanatory notes are freely available on the web; but beware of non-Sunni sources.
Al-Fawz al-Kabir fi Usul al-Tafsir by Shah Waliyullah Dihlawi in Farsi. date of publication 1249 AH. https://archive.org/details/in.ernet.dli.2015.310536