The most recent version of Aspose.Words for JasperReports now announces support of two additional formats namely; Rich Text Format (RTF) and OpenDocument Text (ODT). Also, you can export lines and rectangles along with report elements.
More about Aspose.Words for JasperReports
Aspose.Words for JasperReports makes it possible exporting reports from JasperReports and JasperServer to Microsoft Word document (DOC), Office Open XML (OOXML, DOCX), Web page (HTML), Rich Text Format (RTF), OpenDocument Text (ODT) and plain text (TXT) formats. It is written purely in Java and is provided as a single JAR file that can easily be deployed on the machines running JasperReports or JasperServer. Aspose.Words for JasperReports exports flow layout documents that are easy to further edit in Microsoft Word, if necessary.