Exactly - anyone, given a copy of Poser can make a render. That doesn't mean the imagery will be great, evoke emotion or cause one to think.  Sometimes, a render is just a render but they can do it. It takes a lot more effort and dedication to put some thought behind what your image is saying or even how best to present the elements of the render.  So yes,those ladies at your job,  they could learn to use Poser in a day - it's really quite simple - but will they use it well? Not likely.