I've had no issues importing transferring over characters from CC4 to Iclone 8 and then to Unreal Engine 5.3 where I'm working on my game. I purchased this coat for my character that came with the pants, and for whatever reason, after import, the pants look fine, but the coat looks blocky. Even when I turn on smooth mesh on the coat, it just subdivides it and takes 3 times as long to important to Unreal where it looks different, but incorrect and still blocky. Settings appear to be same for the pants so I'm not sure why it looks good in Iclone8 (first pic) but incorrect in Unreal (second pic). Any help is greatly appreciated.

Solved it. Had to recalculate ALL under LOD panel for some reasons. It seems to look good and smooth now.