External Employers is for employees receiving their wages without their employer signed up to our platform while Internal Employers are employers that sign up, invite employees and create payrolls.
You get invited by an internal employer. If you want to use Bitwage as an Internal Employer, sign up for Team wages in the Right Sidebar -> Set Up. To use Bitwage with your external Employers, go to the left sidebar under Invoicing - > Set Up.
After setting up an external or internal employer, choose your distributions under the "distributions" tab in the left sidebar. Here are the Distribution Options. You can invoice your clients with these currencies.