As we can find on page 4 of the datasheet, https://www.nxp.com/docs/en/data-sheet/S32R274DS.pdf
the SD-ADC is available. But for the S32 DS, the processor does not contain peripheral of this type as shown in the attached figure.
If the datasheet is correct, and how can I configure the sd-ADC pins via S32DS?
SD-ADC is aprt of SPT.
It is used for AFE (analog front end) data processing. I am not sure here, but if you want to have access to it you have to install RadarSDK.