Question: Can I print to PDF using erwin DM Navigator edition?
Solution:
You can print using Microsoft Print to PDF, or any other free PDF converter.

You cannot do the following in erwin DM Navigator edition:
File
- Save
- Save As
- Mart, Save
- Mart, Save As
- Mart, Lock
- Mart, Version Manager
- Mart, Library Manager
- Mart, Session Manager
- Mart, Security Manager
- Export to External Format
Actions
- Database Connection
- Reverse Engineer
- Forward Engineer (all rollover menu items)
- Design Layers (all rollover menu items)
Tools
- Standards (all rollover menu items)
- Add-Ins (all rollover menu items)
- Options
- Report Designer
- Export to PDF
Reference: https://erwin.com/bookshelf/public_html/2020R2/Content/Release%20Notes/Data%20Modeler%20Release%20Notes/Navigator%20Edition.html