Adding a user and adding an email account are two different options.
When you add an email account, multiple team members can send outreach emails from that email account in Pitchbox. Click here to find out how to connect an new email account.
However, when you add a user, you grant a team member or an employee access to one or more projects in your Pitchbox account. This gives them access to campaigns, incoming and outbound emails, and more. Each user has it's own sign-in credentials. Read this Knowledge Base article to find out how to add a new user.