View-through conversions are available to:

View-through conversions are available to:

  • advertisers that have implemented Conversion Optimizer
  • advertisers that have implemented Conversion Tracking
  • advertisers that have opted into the Search Network
  • advertisers that are using AdWords for Video

The correct Answer is:

  • advertisers that have implemented Conversion Tracking

Explanation: Once you’ve set up conversion tracking, you’ll have access to a handy set of reports about your conversions.

Read more here: https://support.google.com/adwords/answer/1722023?hl=en