Apsona does not currently provide a dedicated global search to identify reports using a specific field in their columns or filters. To find reports referencing a field such as Fund_Type__c, navigate to Settings → Apsona Items and search the stored metadata/descriptor for the field's API name. The Find option in Reports searches report names and descriptions, but does not search configured fields or filters.
The Apsona Item Type indicates the type of report: report = Single-step Report and multiStepReport = Multi-Step Report.