"Object is in use" exception is thrown on the Workbook.ExportToPdf method call in multiple threads.
NullReferenceException is thrown on loading a XmlSpreadsheet2003 document to an application with the German culture.
Word Processing Document API
Export to PDF - RichEditDocumentServer throws System.NullReferenceException on an attempt to export a specific document to PDF if the AzureCompatibility.Enable property is set to true.
RichEditDocumentServer generates tags without space characters when exporting a document to PDF/UA.
Text disappears when exporting a specific Microsoft Word document to the PDF format.