Administrators of individual sites do not have the ability to install new plugins and themes, but only to activate those already present in the network, which may reduce the options for customization and innovation of the sites.
wordpress-multisite-setup
WordPress multisite is a suitable solution only in some cases and for some users who have specific needs.
For example, you might use WordPress Multisite if you need to manage multiple websites that share some characteristics, such as look, functionality, content type, or target audience.
Another case where you might use WordPress Multisite is if you want to create a network of websites for an entity that has several subdivisions , such as an organization, a business, an institution, or a community.
WordPress multisite is a solution used by many famous and important websites , which need to manage insurance leads for seniors different subsections or subdomains with WordPress.
Another example is BBC America , the website of the American television channel which has several sites dedicated to its shows, such as Doctor Who, Killing Eve, Top Gear and others.
Even The New York Times , the famous newspaper, uses WordPress Multisite to host its sites for various sections, such as Cooking, Games, Podcasts and others.
Finally, an example of WordPress multisite in the academic field is Harvard University , the website of the prestigious university that has several sites for its schools, departments, centers and others.