Hi Zooen,

re:
> In addition, there are navigation links that allow you to quickly access all
> the reference commands, among other things.

Links are intentionally omitted in the PDF version because the purpose of the PDF version is for making a printout.

The main HTML version of the introduction section of the help file has links:
https://moi3d.com/4.0/docs/moi_introduction.htm

- Michael