Overlay a pdf file into another pdf file
Examples
pdf_file <- system.file("examples", "sufganiyot.pdf", package = "cpp11qpdf")
stamp_file <- system.file("examples", "header.pdf", package = "cpp11qpdf")
fout <- tempfile()
pdf_overlay_stamp(pdf_file, stamp_file, fout, "")
#> [1] "/tmp/RtmpOgvruH/file27fb4ebe7b17.pdf"