When creating a PDF export of a shaded solid with hidden edges displayed as DIM, the hidden edges are not included in the PDF.
Solution
To display the hidden dim shaded edges in the PDF output, set Preferences-> Visualization-> Edge Display Settings-> Session Settings-> Infer Edge Output on.
Notes and References
Hardware/Software Configuration
Platform: INTEL
OS: window
OS Version: 1064
Product: NX
Application: GATEWAY
Version: V12.0
Function: PDF
Ref: 001-9341964