Yes, if you have multiple Business Profiles in MassageBook, you can connect the same Stripe account to all of them.
You can choose to send all funds to the same bank account, or you can select a different bank account per Business using Stripe's multiple accounts feature.
When connecting with an existing Stripe account, you can choose the different accounts by selecting Switch Account in step 10 here.
For more information about adding multiple Stripe accounts, go here.