The component's interface support access to your server, and other remote servers. Each user can create and use unlimited client accounts. There are views for the follow:
PH Cloud is free for personal use. The free version allows the use of the component only for one user. You need to purchase a license to gain access of use for all the Joomla! users, with no restrictions.
You might also download the free version to evaluate if you wish a global office solution for your site.