If someone clicks on your advertisement then you know that these people are the potential clients who were specifically looking for what you need to offer as they enter the relevant keywords which ultimately lead you on their screen.

With a targeted audience comes greater control over the advertisement when you want them and where you want them to appear. You can manage everything with greater ease. You can also set up the marketing campaign once you know with whom you are communicating which in turn can help you in optimizing your exposure and increasing the conversion rate.

If in doubt, PPC entitles you to start small, with an agreement within it where you can scale upwards later. With this you can measure the progress at every step, even when you are starting small. This adds up the results in later stages whenever you scale.

Immediate results from the campaign launch makes PPC an effective choice as you can track your results overnight. The most important thing for favorable results is to procure the valuable data and consistently improve your campaign performance. 

SEO is not directly affected by the PPC in fact, it influences the factors that do, such as the traffic on your website, time spent on the page. If more people visit your site through your ads, read the content available, sharing it and linking it to their own sites it makes PPC become a better option to gain maximum results than SEO.