Magento 2 store is managed by multiple people. It may be required that all the store managers don’t need the full rights or the store owner may need to limit access to managers based on their responsibilities. It’s when you require to create Magento 2 new admin user.
Creating multiple admin users simplify the store’s administration and management.Learn the methods to create new admin user in Magento 2 at https://meetanshi.com/blog/create-new-admin-user-in-magento-2/