At the moment you can share the white-labeled report with the client via a link or export report in PDF.
To do so click on Build report button in the right upper corner of the campaign.
There you can choose which sections you want to include in your report and add comments to those sections:
To finish building your report please click on Share via link button in the left corner and copy the link to send it to your clients/colleagues.
Additionally, you can Download report in PDF.