While the original Arabic text is widely available in multi-volume sets, a full English translation has historically been difficult to find as a single PDF. Here is the current state of availability:
Safwat al-Tafasir (The Choicest of Exegeses) is a renowned contemporary work of Qur’anic interpretation by the Syrian scholar . While a complete English translation of the multi-volume work is not widely available as a single published set, several significant portions and surahs have been translated and are accessible as PDFs. Overview of Safwat al-Tafasir safwat altafasir english translation pdf
If you are looking to purchase or access the physical/digital book, here are the common sources: While the original Arabic text is widely available