The following limitations should be considered before enabling Person Accounts in Financial Services Cloud:
Person Accounts cannot be disabled once they were enabled. Enabling Person Accounts is an irreversible action that affects your data model and user interface. You should carefully evaluate your business needs and test the functionality in a sandbox or developer org before enabling it in production.
Creating a client record via Salesforce Inbox is not supported. Salesforce Inbox is a feature that allows you to access Salesforce data and actions from your email application. However, you cannot use Salesforce Inbox tocreate a client record as a Person Account. You can only create a client record as an Individual Model record using Salesforce Inbox. Verified References: : Salesforce Help Article 4 : Salesforce Help Article 5