I am not a commercial photographer (too late for that, and I was doing other things), but I do occasionally shoot commercial photography, almost always for my friends who need a helping hand with their projects. A lot of Photoshop processing goes into these photos. Good practice for me!
The best way to view photographs is to click on one, let it pop up, then click on the full screen [ ] icon at the top right of the lightbox. From there you can easily scroll backwards and forwards.