slickR with PDFs

library(slickR)
url <- 'https://cran.r-project.org/web/packages/slickR/slickR.pdf'

Simple

Single PDF file in a single slider rendered as png

slickpdf(url, slideId = 'ex1')

Multiple PDF Files

slickpdf(obj = url, obj2 = url, 
         slideId = c('ex2up','ex2down'))