In KoD, when they are burning the Trolloc bodies, he gets Logain to do it for him.

And another time he walks over to pour himself wine instead of channelling it like he used to do.

While many of the Seanchan might have seen his visage in the battle over Falme, I think that ultimately very, very few people in Randland would recognise him. It's just very hard to see past the poverty of a beggar and associate him with a man who was treated and acted like the King of the World.