Thank you once again for your involvement in RadRichTextBox. It will be great if you manage to reproduce the issue with the tables' export to DOCX and send over a sample project.
Regarding the PDF import, we have planned to develop this feature but haven't scheduled it yet. However, PDF files, as well as XPS files, represent fixed documents. Thus, it will be possible to load and view them in RadRichTextBox, but in a ReadOnly mode (changes to the document will not be allowed).
As it comes to the automatic export you inquired about, that would not be possible due to limitations that Silverlight imposes. In Silverlight applications, files can be created only through SaveFileDialog and all dialogs have to be user-initiated. You can read more on this topic in MSDN.
If you have any other questions, do not hesitate to contact us again.
the Telerik team
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