Please follow this article to clarify signing arrangements in the reports.
What to do if you don't see dedicated signature box with your name?
Enter an empty signature box.
Choose your status out of the scroll down at the top - this might be a tenant, a landlord, a witness.
Now fill your full name in Name row.
Sign in Signature entry using mouse of finger if on your device.
What happens if I don't sign?
After 5 days from the receipt of the the report, the report is considered accepted as accurate record state of the property.