Thank you for your interest in Syncfusion products.
We are able to reproduce the mentioned issue with exception not trigger on loading corrupted Word document (.docx) in SfRichTextBoxAdv. We will fix this issue and this fix will be included in our upcoming refresh release or main release 2014 Volume 1. We will let you know once our refresh release or main release 2014 Volume 1 has been released. You may also check our website periodically for latest information related to our release.
Please let us know if you have any other questions.