The complete multi-volume Tafseer in pure Roman Urdu is rare. However, there are several and selected Juz/Parah PDFs available online.
My personal advice: Read 10 minutes daily. You will see how the Quran comes alive. tafseer ibn kaseer in roman urdu pdf
Did you find this helpful? Share it with someone who struggles with Urdu script. The complete multi-volume Tafseer in pure Roman Urdu is rare