Yes, when sharing your funnel map, you can provide view-only access. They will not be able to make any changes to the map, even if they are a Geru user. The sharing feature does not share the whole project. You will need to share each scenario separately by clicking the share icon for each scenario.
Instructions
Click the share icon in the top navigation menu.
Make sure the link is active by toggling the button to the right, "yes".
Click copy to share the link.
Types of Sharing
Share the map with the simulation
Share map
Embed code.
Add the embed code to your website.