This tutorial shows you how to install latest Adobe Reader and keep up-to-date on Ubuntu and Linux Mint using canonical partners repository.
Canonical and their partners provide closed source third party software and updates that don’t cost any money in the Canonical Partner repository. Adobe reader (acroread) is one of them.
To enable this repository, search for and open Software & Updates from Unity Dash. Check the boxes at the other software tab.
Then open Synaptic Package Manager (install it in Ubuntu Software Center), click Reload button to update package lists. Search and install acroread package.
Once a new version releases, you can update via Synaptic too.
To set Adobe Reader as default PDF reader in Ubuntu or Linux Mint, right-click on one of your PDF files. In Properties window, choose it and set default.