It is really easy to get a link to a report in the sitecatlayst menu. The same option does not exist for dashboards. The work around is to email the dashboard to yourself and copy the link from the email. That is not a good user experience.
Finding dashboards in sitecatalyst that have been shared with you requires several steps. It would be great if they automatically came up in the menu search. Often times the people who consume shared reports are less familiar with how to use sitecatalyst and can find the tool intimidating because ...