Shaykh Ibn Baz رحمه الله allowed women to appear on TV for da‘wah if in full hijab (Majmu‘ Fatawa 6/405-406). Does this ruling also apply to women posting da‘wah videos/pictures on social media while observing proper hijab?

Ustadh AbdulAziz al-Haqqan

I do not know, but i do not encourage this.