Missing Skins and Progress

Today i reinstalled apex after have it uninstalled for about 5 months. when i got in made me log into my account which i was confused because its never made me do that before. I have found out that my account was hacked I have got that fixed but when i log into my account my stuff is still missing. I dont have any purchase receipts from EA as they never sent me any but I many in my email of steam invoice purchases on the game