1) Owner - one user per the the whole account. Would always be the account creator.
2) Admin – Admin-level users can can perform actions on all data e.g.:
Change account General settings like timezone and currency.
Subscription and billing information.
Managing lookups e.g. Products, Sales Regions.
Managing Deal Stages i.e. Sales Process.
Basically anything in settings screen other than profile inforomation.
3) User – A Revamp user with ‘user-level’ access has access to all features except account settings.