A: Hi, yes!! You can create a white label account and you can sell it to your clients as a CRM for their leads and campaigns.
We have done some videos about this topic and how to use it for your agency:

video 1 - how to use tochat.be for your agency
https://youtu.be/hLDM8AaGpvM

video 2 - how to share access with your clients as a CRM
https://youtu.be/8yvjhYk7iE4

video 3 - all the features we offer for your agency with WhatsApp
https://youtu.be/CJUT2lqliR8

Please let us know if this works for you.
We are here to help you!!