Our pipeline renders Office documents with Aspose.Cells, Words or Slides to PDF, then loads the result into Aspose.PDF and calls Document.Convert() for PDF/A-1A. On large spreadsheets (for example a 25 MB .xls that rende…... Regarding Aspose.Slides, we recommend exporting...PdfOptions.Compliance property. Aspose.Slides supports PDF/A-1a and PDF/A-1b...