Is it permissible to read a wazifah when the Imam is delivering the Friday khutbah?
It is impermissible to read any wazifah whilst the Imam is delivering the Friday khutbah. It is also impermissible to pray any Nafl prayers during this time. If one is Sahib al-Tartib, they will perform Qa’dah Salah even during the khutbah, but to pray Qa’dah in this time is not permissible for anyone who is not Sahib al-Tartib.
And Allah ﷻ knows the best
Imam Ahmad Rida Khan رحمة الله تعالى عليه
Translation by Dr Musharraf Hussain Al-Azhari Translator of Majestic Quran, www.majesticquran.co.uk