How to provide the permission for user to access the SSRS Report Server reports?
To let Bold Reports® access SSRS Report Server reports, give the user set in ReportServerCredential permission to get the reports, data sources and resources from the server. Make sure the user has the content manager permission for the folder that holds the reports, and permission to access the Report Server.
How do I set system-level permissions in the Report Server site settings?
To set system-level permissions for the SSRS Report Server, click Site Setting in the upper right corner of the report server site, then click the Security link in the left menu. These system-level permissions are assigned to the main administrators of SSRS and the “power” users who publish reports. Two main roles, System Administrator and System User, are predefined.

How do I assign SSRS roles to a user?
To assign SSRS Report Server roles to a user or group, click the Edit option and add, edit, or remove the roles assigned to them. The System Administrator role is reserved for those who need to have full control over the Report Server whereas the System User role is applied to users / groups who are power users of the Report Server.

How do I open the folder settings in the Report Server?
To open the folder settings, click the Manage Folder button in the upper right corner of the SSRS Report Server.

How do I give a group or user permission for a folder?
To give folder permission, provide the permission for the group or users of the SSRS Report Server folder.

How do I assign a folder role to a user?
To assign a folder role in the SSRS Report Server, provide the role for the user.
