Using PVRTexLib you can use the “getDataPtr” function to retrieve the pixel data, but currently in our SDK Tools library there is no functionality to do this. We plan to make loading textures more intuitive in future, but for now you would have to load the data in yourself I’m afraid. The easiest thing to do is probably to either copy or modify the tools loading code and get the data pointer that way.
Yes I'm afraid this is correct - PVRTexLib is a desktop utility only at present.
The SDK doesn't expose this functionality to developers, but as we supply the source code it is there if you wanted to write your own access methods.