REVIEWS.io gives full control over your billing and subscription status. To monitor this, follow the below instructions.
Navigation
Select Account from the side menu.
Click billing.
Instructions
Within this section it allows you to edit your billing information as well as updating your card details including viewing and downloading invoices.
Invoices
Click 'View' in your billing history & select 'download' You can then choose to download your VAT invoice or receipt in a PDF format.
From this area, you can download the invoice or receipt.
To update your billing details, you will need to edit your account information here.