Stripe Payment Gateway not aknowleding payment

Hey Team,
We are noticing the member who pay using stripe can pay money but their membership account does not get activate even after doing payment. it still appears pending.

2) We have a member bruna she has paid the amount using stripe but her account is still pending not activitated !

Really no idea why it is happening ! i have granted access to you. Hope You people guide me on this !

Thanks!