Yes you can; these PDF reports are white-labelled in the same way as ranking reports and all other reports on BrightLocal.
White Label ReviewFlow is available on Multi Business and SEO Pro packages.
You can also white-label the email alerts that we send out. With this feature you can white-label SEO emails, Send emails with your own logo, Remove all BrightLocal branding & colors & send emails from your own ‘Sender’ address.
For more details please see our White-Label Emails & ‘External Reports’.