A good question starts with a little context.
Start with the field guides
Our PDF guides covers common workflows and troubleshooting. If a conversion fails, check the file format, upload size, password state, and whether the source opens in your usual viewer.
Keep sensitive documents private
When preparing a support request, note the tool, file type, approximate size, and exact error message. Use a non-sensitive sample if you need to reproduce a problem. A public support inbox is not yet enabled for this new deployment.