Hi,
for mor than a decade I was mostly a console player, but recently I wanted to play more on PC and Steam. Ufortunately, my TSA Account doesn't see any of my Steam achievements.
https://steamcommunity.com/profiles/76561199750478781/All of my Steam privacy settings are marked as Public.
I've never had such issues with my TrueAchievements or TrueTrophies accounts.