I think this is a new feature they're working on. I found this whilst browsing their support articles: https://support.safetyculture.com/category/incidents/16

Great question @Olivier Lapierre! This change was introduced as a virus scanning function, in preparation for the ability to attach PDF as instruction and evidence. Using signedURL, media (including photos and eventually PDFs) now open in new tabs with... (More)

Are you talking about the Incidents button on the left in the web app? If that's the one, I've played around with it, but haven't had to use it for my business.