@AstroJasmine All JWST data is available on MAST. Some general observer programs have up to a 1-year proprietary period.
https://jwst-docs.stsci.edu/accessing-jwst-data
Data from all JWST instruments (MIRI, NIRCam, NIRSpec, NIRSS, and FGS) are archived in and can be retrieved from the Mikulski Archive for Space Telescopes http: