PC stands for pay-per-click marketing and is an inorganic way of reaching the top of the Google SERP.
In SEO, the primary focus is on improving the page authority and taking it to the top of the search result naturally, whereas, PPC doesn’t help you in improving website ranking or authority.
PPC are Google Ads or paid ads that appear at the top of SERP to relevant searches. PPC helps connect to a wide audience online in a short period. Your SEO is not affected by PPC. The only time when your SEO is benefitted by PPC is when your PPC ad campaign performs well, which will help users to return through normal search and will influence organic traffic.