SAS can be used to generate reports and other outputs in many formats (HTML, PDF, RTF, text-format, XML), so I would say that your SAS reports can be integrated with Visual Composer.
Suggest you inquire directly with the SAP forums' discussion on Netweaver and Visual Composer, at
https://www.sdn.sap.com/irj/sdn/forums
Scott Barry
SBBWorks, Inc.