Most likely flavor text meant for all paladins, they might have gotten lazy with changing text for individual races.
This is correct, and lore-wise would normally only be available to priests devout to the light/paladins
Nothing states this. Though stealing is a strong word, they can draw upon the light from the sunwell to use as a weapon if needs be. They are a military branch first and foremost, and an order/religion 2nd.