saving the attached “Test-Dokument.doc” to PDF and stored back to “\Test-Dokument_doc_Aspose\Test-Dokument.doc_save.doc” makes checkboxes to the content list.
Have a look to the attached images.
Thanks for your inquiry. Calling Document.UpdateFields method before saving to PDF or HTML should solve this problem but unfortunatey it doesn’t. I have logged this issue in our bug tracking system. The ID of your issue is WORDSNET-9829. Your thread has also been linked to this issue and you will be notified as soon as it is resolved. Sorry for the inconvenience.