Use the unmineable platform to mine coins that are not PoW algorithm supported, I doubt that Matic is on the list though but you can check them out yourself using the link below...
https://unmineable.com/coinsI wouldn't recommend OP to use the platform. So many complaints about them randomly changing goal posts like increasing withdrawal threshold and other things -
https://www.trustpilot.com/review/unmineable.comim making decent profits doing this. i make almost $10 dollars a day staking.
How much Matic are you staking?
As per the payout this pool never disappoints, I've mined up to 6 million Shiba inu coins on the platform, the only thing I don't like is you get less reward compared to if you mine ETH direct and swap that for the coin of your choice.