The built in Research Assistant creates an AI generated summary of an attached PDF of a reference.
⇒ Select the reference > click PDF > click the 3 stars > the summary will be generated.

You can copy the summary to your clipboard by clicking the copy icon.
To insert a quotation from the full text article into your text:
⇒ select the quotation in the PDF > click the quote icon at the top

The selected quotation will appear in you text, and the corresponding citation is added to the reference list.