This can be tricky. In general uploading copyrighted material may be acceptable if covered by legal exceptions for non-commercial research, private study, or teaching, but only when using recommended AI tools that do not copy and use the copyrighted material as training data with proper data privacy assurances.
If you are unsure, it is a good idea to reach out to the Office of Scholarly Communications and Copyright @ copyright@psu.edu to confirm what is acceptable use at Penn State for what you are intending to do.