Page numbers are currently not scheduled, but when the headers and footers functionality is out, there probably be an easy way to add them to each page.
If it comes to just showing page numbers when loading the document in a RadRichTextBox, there is a demo in this forum thread. Note that these page numbers will neither be exported, nor printed.
If you have other questions, do not hesitate to get back to us.
the Telerik team
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