On my browser'd rstudio server getOption("viewer")("path/to/pdf")
opens the pdf in a separate browser window, while knitting to PDF opens an Rstudio Server child frame loading the PDF.js viewer. How can I open an arbitrary PDF using the PDF.js viewer? FWIW I'm using bookdown and pdfs generated under the build pane open in a separate browser tab, so not same experience as using knit button which opens them in PDF.js.
> devtools::session_info()
Session info ----------------------------------------------------------------------------------------------------------
setting value
version R version 3.4.4 (2018-03-15)
system x86_64, linux-gnu
ui RStudio (1.1.419)
language (EN)
collate en_US.UTF-8
tz Etc/UTC