In your ProxySG's policy, you have the options to select the following WebEx operation controls:
However, when using 'WebFilter' for the Blue Coat content filter data source, you only be able to see the following web operation controls:
You must update your WebFilter subscription to Intelligence Services in order to see or use all five of the WebEx operation controls mentioned above.
This is an expected behavior or by design.
Reach out to your sales point of contact, or customer service and ask to subscribe to Intelligence Services for your appliance.