LinkedIn Ads and TikTok Ads cater to different audiences and serve different marketing purposes. LinkedIn Ads are more suited for B2B marketing and targeting professionals, focusing on content that is more formal and business-oriented. They are ideal for reaching decision-makers, promoting professional services, and recruiting talent. On the other hand, TikTok Ads target a younger, more diverse audience and are best for creating viral content, brand awareness, and engagement with more creative and entertaining approaches. The choice between the two depends on the target audience and marketing goals of the business.