Does the Steam version use Denuvo Anti-Tamper?
Yes. Denuvo Anti-Tamper is disclosed on the official Steam store page.
Confirmed explanation
The store disclosure is the authoritative current status for the PC product. It should not be confused with the separate Easy Anti-Cheat requirement used for online integrity.
What is not confirmed yet
Activation limits, offline behavior and any later removal are not detailed by the listing.