Hello Alino,
We understand your scenario and it is pretty reasonable, however currently RadDocument/RadRichTextBox does not support headers and footers and unfortunately there is no way to workaround this.
The good news is that we are planning to introduce support for headers and footers in RadDocument for the next major release and we will have your scenario in mind to ensure it is possible to achieve it.
All the best,
Boby
the Telerik team
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