SEO is a long-term game and although it generates organic traffic to your website, that traffic doesn’t necessarily convert.
PPC ads can put you on the first page for a given search term within a day, and 98% of searchers choose a business on page 1 of the SERPs (BrightLocal), emphasizing the importance of acquiring a page-1 listing.
If you’re investing in SEO, then advertising is another way to get your business on the first page to ensure you in front of 98% of your audience.
Advertisers control the message of their ads and many buy ads even when they’re ranked on page-1. (Google)
PPC is more effective when used in conjunction with SEO (New Media Campaigns).