You can search within EndNote for full text pdfs for your references:
If you want EndNote to automatically try to find and attach a pdf for every newly imported reference:
To use the "find full text" option off campus, you will need to make a few changes to your preferences in EndNote.
Step 1:
Go to Edit -- Preferences -- Find Full Text
OpenURL Path: https://csu-sdsu.primo.exlibrisgroup.com/discovery/openurl?institution=01CALS_SDL&vid=01CALS_SDL:01CALS_SDL
URL: http://libproxy.sdsu.edu/login?url=
Step 2:
Go to Edit -- Preferences -- URLs & Links
OpenURL Arguments: &sid=ISI:WoS&aufirst=AUFIRST&aulast=AULAST&issn=ISSN&isbn=ISBN&atitle=ATITLE&title=TITLE&volume=VOLUME&issue=ISSUE&date=DATE&spage=SPAGE&epage=EPAGE