How do I generate leads with SEO, SEM, SMM skill set?

Target the right audience.

Target the right audience through properly categorized segmentation.

SEO and SEM are still extremely effective in generating leads,Good SEO takes a great deal of thoroughness,Facebook lead ads , Twitter lead ads your achieve website’s SEO targets, and consequently increase your leads.

I also want to know that

you can set lead funnel and by getting traffic from search engine and convert it.

target the right audience with appropriate keywords.

depend your knowledge