You can find this report under Acquisition -> Adwords -> Accounts
This report will allow the advertisers to see their aggregated Acquisition, Behavior and Conversion metrics for each account on a single row. You can further click on any account to see the performance of campaigns contained in those accounts.
Please Note: This report is only visible if you have more than one Adwords account linked to your analytics property.
Find more information here: https://support.google.com/analytics/answer/6124066
Also See:
Micro and Macro Conversions for Online Ecommerce Stores
InApp Audience Demographics Report
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How to Find the Best Day of Conversions Through Analytics
Data Sampling in GA