// The path to the documents directory.
        String dataDir = Utils.getSharedDataDir(SaveOneNoteDocToStream.class) + "load/";

        // Load the document into Aspose.Note.
        Document oneFile = new Document(Paths.get(dataDir, "missing-font.one").toString());

        // Save the document as PDF
        dataDir = dataDir + "SaveUsingDocumentFontsSubsystemWithDefaultFontName_out.pdf";

        PdfSaveOptions options = new PdfSaveOptions();
        options.setFontsSubsystem(DocumentFontsSubsystem.usingDefaultFont("Times New Roman"));
        oneFile.save(dataDir, options);