Public Accountability on Nominations Offered that Result in Admissions to Military Academies Act of 2020 or the PANORAMA Act of 2020 This bill requires the Department of Defense (DOD) to create a uniform online portal for congressional nominations to military service academies. DOD must (1) establish standard classifications that cadets, midshipmen, and academy applicants may use to self-identify gender, race, ethnicity, and other demographic information; and (2) annually report such demographics.