UNAUTHORISED BILLING

I am a loyal customer of takealot and they do deliver as they promised. Recently due to covid19 protocol, I decided to use Takealot to promote my business items. I was vetted and approved to be able to sell. In the process of submitting my AD, I received a call from someone in the industry of my promotion items wanting to buy all my stock then I had to inform Mr Zolisa Boza who acted as a contact point for Takealot that I am unable to continue with the promotion. I received a response by email from him stating that I must not worry they will cancel the process since it wasn't complete without the authorisation form signed. To my surprise, I kept receiving the same email of approval to the point that now I am receiving the invoice statements. I am not in a position to be fighting for refunds and undue payments with the company. Can they stop this harassment and keep with the Protection of personal information act.