Some of the social media platforms that you can use are Instagram, Youtube, Facebook, Google. If you are a small business and don't have enough resources i suggest you can posting your ads on the related blogs and sites but this will definitely take time. If you can afford and want to achieve the results in a short amount of time, I suggest you try reaching out to newbie creator to attract and gain desired audience in short time.
Yes social media is crucial for running ads, offering vast audience reach, targeted advertising options, and measurable results. It enhance brand visibility and engagement, key elements in successful advertising campaigns.