You have a few options if you can not print your visa:
1. You can retrieve your visa on our website and try printing the visa from there: LOGIN here.
2. Contact our customer representers via Online Chat or Email or Phone they will resend the document in a different format that will be compatible with your computer and printer.
3. Make sure you have Adobe installed in their computers - https://get.adobe.com/flashplayer/
4. Use a web browser to open the PDF file we sent you.
We recommend going to http://www.pdfescape.com/open/, create an account and follow the instructions to save the pdf in a different format.