They are. You'll need to provide us more concrete examples of what you're talking about here.
Note that Azure DevOps is not supported on this forum so questions related to it need to be posted over on Stack Overflow. But as far as Azure Portal goes you can use a URL to navigate to specific resources. Of course if somebody sends you a link to a private dashboard then that won't work. That is sort of the purpose of dashboards. If you need a "team" dashboard then set up a shared dashboard that everyone has access to.