In order to assign Individual Account Access to a User.
Go to the Customer/SiteBasedAccountAccess TAB via DFWorks >> Admin Enrollment/User Management/User Enrollment; De-select the Site for which the Accounts you want to assign. This will then populate the IndividualAccountAccess TAB. Then you can select the Accounts that a given user will have access to.
note: If you leave the sites selected than the users will have access to all Account data. De-selecting an Site gives you the ability to select individual accounts.
Screen Shot: Site Selection screen.
Screen Shot: Account selection Screen
Subject: Client Access Issue
Initial Details: Question about trying to create user name that can only see certain company reports
UPDATED: November 20, 2017