Hi Steve,
Thank you for using Syncfusion products.
Regarding the issue with "Repeat as header row at the top of each page does not preserve in Doc to RTF conversion", we areable to reproduce the mentioned issue. Could you please report this issue through Direct Trac Developer Support System
https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidents ), because you can take the advantage of the expertise of a dedicated support engineer and a guaranteed response time and we hope you will take advantage of this system as well? Please ignore if you have already reported this issue.
Regards,
Poornima