You can install adobe reader in your mobile very easily. For this process you just need a computer, internet and adobe reader mobile version. Just plug your mobile data cable with your computer and transfer adobe reader mobile version into your mobile and install it.
In other way you can download adobe reader mobile version directly in your mobile using mobile internet. Just connect internet on your mobile and download adobe reader into your mobile and install.
Android Phone Installation.
1- Connect Your Wifi
2- Open Play Store from android apps
3- Search Adobe Reader from Play Store
4- Click on Adobe Reader and Download
5- Gives All Required Permissions
Your Adobe Reader will be install in phone within 5 to 10 min depend on your internet speed.