Definitely! To change a transaction from Personal to Business, tap on the Expense or Income tab and go the Reviewed section > tap on the transaction > select if it's Business or Personal using the blue buttons > tap Save to update.
To change a transaction from Business to Personal, tap on the Expense or Income tab and go the Reviewed section > tap on the transaction > tap Delete Expense.
To restore a transaction that was deleted, tap on the Expense or Income tab and go the Reviewed section > tap the gray 2019 bar > select Archived > tap on the transaction > tap Restore > tap Yes to confirm.