Microsoft have release the “Lync Server 2010 Meeting Content Viewer” which basically gives you the ability to convert web conferencing content, such as whiteboard and poll files saved in the file store by Lync Server 2010, from its binary format into a viewable format.
You can download this from http://www.microsoft.com/en-us/download/details.aspx?id=30144&WT.mc_id=rss_alldownloads_all