if you watch the three videos here:

http://www.daz3d.com/i/products/hexagon?

you get an idea of what hexagon is for - same idea as blender..

Daz studio is specifically oriented to figure work - you can use predefined 'asset' or create your own from a base ['genesis'] - one of its selling points is that you can produce art that 'looks like' a photo-shoot without using live models - also good for comic art and animation

bryce is tailored for background art