I repositioned the plant from morning sun to no sun at all but some leaves are still burning. I make sure the plant is well saturated.
Elephant Ear Plant
This article discusses some reasons for leaf burning for you to evaluate. https://www.gardeningknowhow.com/ornamental/bulbs/elephant-ear/elephant-ear-brown-edges.htm
One other thing that isn't mentioned in the article is age of leaves -- if the browning is on the older leaves, that could be the cause.