While searching for a might feel like a "better" option for short-term cost savings, it fundamentally compromises the experience. You lose the multiplayer, risk your PC's security, and miss out on the constant updates that keep the game alive.
Here is a review focusing on the reality of using a cracked version versus the legitimate game: Review: PVZ Garden Warfare 2 (Cracked vs. Official) The "Crack" Experience: plants vs zombies garden warfare 2 skidrow crack better