It's possible the impression share loss due to rank includes losing out on impressions that the campaign is eligible for but are very broad so you would not want to show for them anyway.
You will see consistent correlation.
2 Expanded Text Ads & 1 Responsive Search Ad.
It is likely that LinkedIn campaigns to warm leads (aka remarketing) could be a good fit, but LinkedIn campaigns to cold leads is only a good fit for a few narrow industries.
Conversion Actions - To be able to track a conversion, we would need a "trigger" for that conversion action.
Cart Abandonment Campaigns & Cart Abandonment Audiences:
If you have a brick and mortar business and you’re running a special offer or a promotion, you can use Google Ads to drive traffic to your local store.