A sales manager receives a URL to a Dashboard folder containing several dashboards.

In Salesforce, access to reports and dashboards is controlled at the Folder level. Even if a user has the direct URL to a dashboard, they cannot view it unless the folder containing that dashboard has been shared with them. When a user receives the "We couldn't find the record" error, it typically means they lack View access to the folder. To resolve this, the owner of the folder (or an administrator) must go to the folder's sharing settings and explicitly add the sales manager, their role, or a public group they belong to. Options A and B are less likely because standard sales profiles usually have the general "Run Reports" and "View Dashboards" permissions; the issue here is specific record-level access to that folder's content. Option C is a specific state of a folder (Private to the creator), which is essentially the same as saying access has not been granted to others.