The Access tab enables you to add or remove Viewers and Approvers for the current task. It also enables you to specify the order of approvers. You can specify up to ten approvers and an unlimited number of viewers.
To specifically identify a user, click Advance, then enter a User ID, Email address, or Description.
For additional details about the user, such as groups and roles, click Details.
To remove a user from the Approvers or Viewers list, select the user, then click Remove.