No, the pattern day trader rules are industry rules, regulated by FINRA, that every brokerage firm must follow.
Pattern day trader rules are applicable to all margin accounts, which include SoFi Active Invest accounts (regardless of whether the account allows for trading on margin, which SoFi does not offer at this time). These rules are not applicable to any SoFi IRA accounts or Auto accounts, as these accounts are cash accounts subject to cash account trading rules.
For more information, please refer to this article from SoFi Learn: What is a Pattern Day Trader?