Well can they? I'm new toSolid Edge, but really impressed with how nice of renderings it does. Here is one the company I work for did. It's not the best but I think it's pretty good.
http://www.solidedge.com/successes/i...ltecsu_800.jpg
heres a real nice one.
http://www.solidedge.com/successes/i...ersson_800.jpg