You can choose from three bidding types in the Campaign Manager:

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Manual: This bidding strategy lets you set a specific bid amount for a key result. This option can charge by clicks, sends, impressions or views, depending on your ad format, objective and goal. Manual bidding gives you more control over the bid amount, but you need to track the performance of the campaign and adjust your bid as needed.
Cost-cap: This bidding strategy lets you set a maximum cost per key result. This allows the system to automatically adjust your bids to achieve optimal results while staying within your campaign’s budget.
Maximum delivery: This is a automated bidding fusion data strategy that uses machine learning to set and adjust bids while utilizing your entire budget. The goal is to maximize key results and use your total budget most efficiently.
Measuring the success of your LinkedIn ad campaigns
You don’t run LinkedIn ads no reason. You’d do so with the hope of getting some return on your investment. This makes it crucial to monitor and measure your ad success so you can see whether your investment is paying off.

Perhaps you might even notice that some types of LinkedIn ads are working better than others and you’ll want to shift your focus towards those. You might also find that some ads aren’t delivering any results at all, so you’d want to stop setting money toward something that doesn’t work.

The LinkedIn ads manager comes with a robust reporting feature that lets you track LinkedIn analytics and metrics to understand your ad performance. This includes metrics like clicks, impressions, cost per click, click-through rate, cost per impression, conversions, cost per conversion, leads and cost per lead.