If you downloaded Adobe-Reader from the Adobe website and wish to install it see below.
Installing Adobe Reader .bin
First open your Downloads folder, then right click on the AdbeRdr9.5.1-1_i486linux_enu.bin
and select Properties
. Under the permissions tab tick / select Allow Executing File As A Program
.
Next open a terminal and change to your Downloads folder:
cd Downloads
Then install Adobe Reader using :
sudo ./AdbeRdr9.5.1-1_i486linux_enu.bin
Enter your password when prompted and wait for it to Install.
When prompted for the installation directory, press enter to accept the default.
Adobe Reader can then be started from the Dash, Desktop shortcut or by right clicking a .pdf file.
If running Ubuntu 64-bit, it may be necessary to install the 32-bit libraries.
apt-get install ia32-libs