...
B. Sync: It will sync only those issue values which are recently updated in Rally based on their updated-date.
You can sync the mapped Rally custom fields in the QMetry Insight module for Visual Reports and Advanced Query Reports. Read more about Sync fields to Reports.
...
Note : At least one of the Rally Project should be integrated with Issue Module. Once Rally is integrated with the QMetry project, the internal issue module will be disappeared from the QMetry project.
...