Mate, you could just send your MATIC to your binance exchange account and buy AVAX there on the trading market.
With that way, you can save more money because the transaction fee is cheaper than swapping between blockchain.
In my knowledge, you can't retrieve back your coin once you send it to wrong blockchain address.
Yes, in essence it will lose even if we make a complaint to a certain party or to the service party about the network, I don't think it can be returned because by mistake it is bad.
This is the importance of being careful and asking experienced people before acting wrongly because it is a very detrimental action, although it can still be a lesson for the future, but the regret in the heart will remain.