Can all users activate coupons? Yes
Can all users send an upgrade request to Bitrix24 Partners? Yes
Can all users buy telephony credits? Yes
Will all users see the payment information (credit card number, CVC, etc.) of a person who has upgraded the Bitrix24 subscription plan? No
If a user upgrades the current Bitrix24 subscription plan, will other users be able to download a payment confirmation and an invoice? Yes
Can several users enable automatic renewal? No