Do I need a shipcloud.io account to use the SuiteCRM plugin?
Yes, you do need an account at shipcloud.io. The basic pricing plan starts with 0€ for the first month and allows for up to 100 shipments per month, sign up here: https://app.shipcloud.io/en/users/sign_up?plan=basic
Do you support carrier XYZ?
The SuiteCRM plugin supports all carriers listed here: https://www.shipcloud.io/en/integrations/carriers
Are admin rights required to create shipping labels from SuiteCRM?
Every regular CRM user can create shipping labels and track deliveries. The right can be revoked using roles and/or groups.