Explain what is conversion optimizer in AdWords?

Ad Words Conversion Optimizer is a tool that helps acquire the most conversions possible at a defined target cost per acquisition. Instead of manually manipulating bids and generating conversions at any cost, conversion optimizer automatically adjusts bids so conversions are generated within a defined CPA boundary.

Hello,
Conversion Optimizer: Optimize Your Google Conversion Rate. Google Ad Words is a Search Engine Marketing (SEM) platform that allows advertisers to drive as many conversions as possible by bidding on keywords.

Optimize your conversion rate according to  the bidding strategy.