Follow this guide and learn how to convert documents to PDF with height, width, DPI, margins and other customizations using GroupDocs.Conversion for Node.js via Java....Default, PdfA_1A, PdfA_1B, PdfA_2A, PdfA_3A, PdfA2B, PdfA_2U, PdfA_3B...PdfA_3B, PdfA_3U, v1_3, v1_4, v1_5, v1_6, v1_7, PdfX_1A, PdfX_3...