During my session at TechEd Europe, I was asked if Power View would still be interactive in PowerPoint, if the PowerPoint couldn’t connect to the Sharepoint source.
Unfortunately, this is not possible. We can look at the code inside the PowerPoint file by right-clicking on the Power View image, and selecting ‘View Code’. We can see that there is a link to the Sharepoint PowerPivot Directory and also the Report Server. Here is my example below, and if you click on it, you will get my flickr larger version:
Alternative Hosting is being used in order to serve up Silverlight, which means that it needs to be able to point to the Sharepoint source in order to serve up the Power View report for interactivity. Since it is using Silverlight, it won’t be accessible on an iPad device.
I believe that this constraint has been put in place for security reasons; it is important to secure data and data visualisations, and it would make sense that Power View interactivity was restricted to where it could be best secured.