Project Explorer links are not working when exporting to the PDF using MicroStation pdf.pltcfg.
Enable links in the pdf.pltcfg is used to enable or disable engineering links and Project Explorer links. Engineering links and links created with Project Explorer such as Saved View links, Model links, URL Links, and Reference links are retained when you publish a DGN to a PDF document.The PDF will need to be created from Print Organizer as one PDF containing all of the files referenced.Project Explorer has different link types. You can link to a URL, a model, a saved view, etc, or a file on disk. We don't support links to files when printing to PDF.