Word to PDF FAQs in .NET Word

13 Aug 20261 minute to read

The frequently asked questions about Word to PDF conversion in Essential^® DocIO are listed below.

Chart conversion

• Could not find Syncfusion.OfficeChartToImageConverter assembly in .NET 3.5 Framework. Does it mean there is no support for chart conversion in this framework?

  Note: .NET Framework 3.5 is end-of-life and no longer supported.

• Is it possible to convert 3D charts to PDF?

PDF conformance and output

• Is it possible to specify PDF conformance level in Word to PDF conversion?

Deployment

• Which one is better, Azure App Service or Cloud Service, for Word to PDF using DocIO?

Troubleshooting

• Why are images preserved as red-X images in Word to PDF conversion?
• Why are content controls not preserved as editable form fields in the converted PDF document even when PreserveFormFields is enabled?

Multithreading

• Does the Word library support multithreading and thread-safety for Word to PDF conversion?

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