Ive been billed incorrectly i need a refund please, I did a trail version and canvelled it the next day yet money was taken today from my account

check your account, https://account.adobe.com to confirm everything is cancelled 

Hi ​@Tshepo101 refunds are automatically processed if applicable after the plan is cancelled. See the following articles for more details

https://helpx.adobe.com/account/individual/subscriptions-and-plans/renewals-and-cancellations/cancel-adobe-subscription.html

https://helpx.adobe.com/account/individual/terms-policies-and-regulations/adobe-subscription-terms.html