Which option broadens the visibility of shared maps and apps in Portal for ArcGIS?

The option that effectively broadens the visibility of shared maps and apps in Portal for ArcGIS is the public access settings. By enabling public access, you allow anyone, regardless of their account status or membership, to view the maps and applications you share. This setting is particularly beneficial for increasing the reach of your content beyond just internal users or those with specific accounts, thus maximizing its accessibility and utilization.

When public access is configured, it enhances the potential for collaboration and engagement with a wider audience, which can be essential for sharing critical geographic information, promotional materials, or community engagement tools.

Other options, such as user profiles or groups exclusively for administrators, limit visibility only to those with specific privileges or roles within the organization. They do not facilitate broader access, which is the primary goal of enhancing visibility for shared maps and apps. Private links further restrict access, as they require recipients to have the link to view the content, thereby preventing general visibility.