PPC is not a requirement for SEO, but it can be helpful.
PPC can help to improve your SEO in a few ways. By increasing your visibility in search engine results pages (SERPs), you can get more traffic to your website. This can lead to more people clicking on your links and coming to your site. Additionally, PPC can help to improve your search engine ranking for certain keywords.
When used together, PPC and SEO can be a powerful combination. By driving more traffic to your website, you can increase your chances of ranking higher in SERPs. This can lead to more people finding your site and using your products or services.