SAP BO BI Platform 4.1 now supports 32 bit Office 2013, as per the PAM:
However, there is nothing mentioned explicitly for Dashboards and Office compatibility.
Also, there has been instances of people struggling with handshake between Office 2013 and Dashboards. Check this thread: Excel 2013 and SAP BusinessObjects Dashboards 4.1 Support Pack1 version 14.1.1.1036
