few news found in the www of public information.
nothing is CONFIDENTIAL

ESP32-S2 WROVER
There are 2 Antenna Board Types
ESP32-S2-WROVER (PCB)
ESP32-S2-WROVER-I (Dipole)
Flash 4 MB , PSRAM 2 MB
The module with various capacities of flash or flash is available for custom order
Taken from public FCC portal:
FCC: 2AC7Z-ESP32S2WROVER
Internal Fotos
User Manual, Full-Download: Internal Fotos, Full-Download:
best wishes
rudi

( cause limit file count - only 3 - as attachments - i will add a zip next time )