Configuring firewall to be able to ‘Web Categories’ in Reports and / or ‘Web Activity’ reports in CSC or CGMS Reporting/Analytics.
Capture Security center(CSC) generates report data based on the IPFIX packets/flows received from the firewall. Hence firewall needs to be configured for the corresponding flows.
Prerequisites:

NOTE: This article illustrates the example with the CFS Default Policy and Action Objects, same is applicable for custom CFS Policies and Action Objects.
2) Go to Objects | Content Filter Objects | CFS Action Objects | Edit CFS Default Action and check "Enable Flow Reporting".

Default CFS Policy:

EXAMPLE: Here are the Sample Reports for Web Categories and Web Activities:
Web Categories under Reporting:
Web Activities under Analytics: