I want to share PDF journal articles with my research team, where the team members are all affiliated with my academic institute, a US-based university. The articles are not necessarily my publications. I can use freely available tools such as Mendeley or Zotero to accomplish this sharing. In counter to this, I am under the distinct but perhaps incorrect impression that I am prohibited from using a university-sanctioned cloud based resource such as Google Drive to accomplish this sharing even when I would follow exactly the same guidelines as I do when posting to Mendeley or Zotero.
I have read the Terms of Service at Mendeley and Zotero. The former states ... Accordingly, you may only post versions of Academic Papers or other Content (as defined below) on the Site if you have the right to do so. The latter states ... You have sole responsibility for the accuracy, quality, integrity, legality, reliability, appropriateness, and intellectual property ownership or right to transmit, post or upload your Submissions and to grant the rights granted by you herein.
I only post (share) PDFs from journal articles that can be obtained directly by our library subscription or through our library inter-loan processes.
I only post the PDFs to team members who have the same access as I do (i.e. all team members are affiliated with my university).
In summary, even if I post only a DOI reference to Mendeley, Zotero, or by email to my team, every one on the team can obtain the journal PDF. I (presumably) therefore also have permission to post (share) the PDF directly to Mendeley or Zotero. What would prohibit me instead from posting the PDFs directly in a team-restricted, university-sanctioned cloud service, specifically Google in this case?