When you see a competitor's ad in your feed, click the three dots in the upper right corner to open the menu. Then select "Why am I seeing this ad?" You won't see a full list of audience settings, but you'll be america cell phone number list able to see at least one reason why you were included in the target audience.
For example, your competitors may be using demographic data and geotargeting. Or you may notice that they are targeting you based on your interests or how you have interacted with their brand.
Click on each reason to see more details. For example, you can see the specific job title or interests the advertiser is targeting. You can also see the locations, work experience, and other targeting parameters they use.
Test as many ad audiences as you can to see the many different ways companies in your industry target potential customers. Then use these insights to start creating target audiences for your own campaigns.

Yes, it is a very painstaking work that requires time and effort, as well as attention and patience, but it can give very good results if you focus on the most effective competitors in your industry.
Now that you have an idea of how your competitors are gaining the attention of their target customers, you can start using similar tactics to attract a similar target audience .