Saif Ali Khan had claimed earlier that #Aadipurush will show a human side of Ravan and justify why he abducted Sita.
Then apologized after it caused controversy.
Here is an article on his history and controversies
Why should Ram Bhakts fund his career?
swarajyamag.com

He named his children after Taimur and Jahangir - because he admires these warriors of past and says he cannot realistically name his kids Ram. Was part of controversial Tandav. Accused of killing sacred blackbucks. Claims there was no concept of India before British gave one.
Why was he chosen in a film on Bhagwan Ram despite all this?
Not that he is acclaimed as a great actor either in general or such roles in particular.