The web browser may be configured to open a pdf file within the web browser. Adobe Acrobat may open within the browser window. If this happens, then the Adobe menu items will appears beneath the browser menu items. (See picture below):
To print, click on the Print Symbol (if you are in a Web Browser) or click on File->Print The following window should show up:
Substitute f4 with the name of the printer that you want to print to.
Make sure the command is correct. Click OK when done.