Yes, you do. In terms of the promotion, according to which you receive a 10% cashback for playing Pragmatic Play live games, you receive it on your bonus balance. It means that if you want to use this money, you have to wager it first. However, the wagering requirement is pretty low — only x5.
https://casinobest.ca/faq/do-i-have-to-wager-a-10-cashback-from-playing-pragmatic-play-live-games/