For anyone having a similar issue, this is what I did to fix my problem when it was isolated to one side or just one door.
2019 GMC Sierra 1500 Passive Door Unlock Not Working! 2019-2022 Multiple Fixes!
Do you know what they replaced besides the seal? I am having the same issue on my 2019 SLT where my driver-side buttons will not work but the passenger-side ones work perfectly.