We often receive support inquiries that, when a user with read permissions access a SharePoint site using Filamente, the user cannot see anything in “Sites and Workspaces.” For a user with read permissions to access sub sites, he or she needs to have a Browse Directories permission. This post shows how to configure this permission settings in Microsoft SharePoint 2010 and Office 365.
Click Site Actions -> Site Settings
Click Site permissions under Users and Permissions
Click Permission Levels
Check the Browse Directories checkbox under Site permissions section, and click Submit to save the change.