The main screens each offer a short narrated film of the work being done in them. Not a storyboard, not a mock-up, not a sales demo left to age. Each was captured by driving the real application, so what you see is what the software does — and they ship inside it, on the screens they are about.
Procurement software is bought from screenshots and sold on promises, and the gap between the demo and Tuesday afternoon is where disappointment lives. These close it: each is a recording of the real application, including the parts that refuse.
A training library nobody can find is one nobody watches. So the films are not only in a library: each is offered on the screens it is about, in the panel that already answers what that screen is for in your role.