To download a PDF in Meta, click on the paper title. On the right side of the screen, click 
Get Paper, then select Institution from the drop-down menu.
Please note: To access full-text papers through your institution, you need to link your account to your academic/institutional email [See Link your academic email for access to full-text papers].
For all preprints and open-access papers, you will have the option to select 
Download PDF.
