Access denied. You do not have permission to perform this action or access this resource.n

I am recieving this error when trying to access the Managed Navigation Term Set. This is through SP.js if i am logged in there is no error works without issue but as the anonymous user i get this error. I am at a total loss i have checked all the permissions. still no luck.

Access denied. You do not have permission to perform this action or access this resource.n   at Microsoft.SharePoint.Taxonomy.Internal.TaxonomyClientObjectFactory.GetObjectById(String objectId)
   at Microsoft.SharePoint.Client.ClientMethodsProcessor.GetObjectFromObjectIdentity(String identity)
   at Microsoft.SharePoint.Taxonomy.Internal.TaxonomyClientObjectFactory.GetTaxonomySessionCsom()
   at Microsoft.SharePoint.Taxonomy.TaxonomySessionServerStub.InvokeStaticMethod(String methodName, XmlNodeList xmlargs, ProxyContext proxyContext, Boolean& isVoid)
   at Microsoft.SharePoint.Client.ServerStub.InvokeStaticMethodWithMonitoredScope(String methodName, XmlNodeList args, ProxyContext proxyContext, Boolean& isVoid)
   at Microsoft.SharePoint.Client.ClientMethodsProcessor.InvokeStaticMethod(String typeId, String methodName, XmlNodeList xmlargs, Boolean& isVoid)
   at Microsoft.SharePoint.Client.ClientMethodsProcessor.GetObjectFromObjectPath(XmlElement xe)
   at Microsoft.Share

Thank you for All your Help.