Instead of having to click on each page individually and scrolling through to the end of that page just to click on the next page. You can go to the end of any of the pages within the tutorial and jump to any of the other pages of the same tutorial.

Here let me show where this feature is and how to use it:

Here on page six of this training we want to jump back to page 3

so we simply click on the hidden table of content drop down feature in the training tutorials shown in the above screen shot, located at the end of any of the tutorials pages.