I wanted to enable the nice Dynamic Reference Visualization feature, but couldn't find it.

I presume this is a matter of simply the Help material needing to be updated? Let me know if I should file such elsewhere than in the Forums.

The SolidWorks 2018 help mentions:

In the FeatureManager design tree, right-click the first item (part or assembly).
Click one or both of the following: Dynamic Reference Visualization (Parent), ...

I'm not able to find those in my FeatureManager tree (SW 2018 SP 2.0):

However, with the help of the Great CommandManager, I found them under:

Expecting:

- Help should reflect the reality of the current version of SolidWorks user interface

Actual:

- The steps in the Help were not correct, at least on my installation.