In layman's terms, this means, there is no easy way to upgrade to this newer Open Office for Ubuntu Karmic, Jaunty, Intrepid users. You have to download and install it manually.
Download Open Office 3.2
Full List of Changes Here
So, thats it for now. We will update you, once Open Office 3.2 release is available in the PPA Repo. Thanks for reading. :-)