You can import numeric custom fields in eazyBI and create similar calculations to the sprint scope metrics.
Import the custom field “Story Points**” as a measure and mark to import value changes.
During data import,eazyBI will create new measures for analyzing historical data; see the documentation: Import issue change history
In the report, build new calculated measures similar to Sprint scope measures but using the measures for “Story Points**” field (Calculated measures).
Check out those two community posts for more details and calculation examples: