Problem with export docx to pdf

Hi,
I have a docx file . in this file i have header and in this header i have a bookmark
i fill this bookmark from .net code with no problem
but when i export this docx file to pdf . the bookmark position is empty

please help me.
thanks

Hi Ali,

Thanks for your inquiry. Could you please attach your input Word document and output PDF file showing the undesired behavior here for testing? We will investigate the issue on our end and provide you more information.

Best regards,