Connect to snowflake db with shinyapps.io

Can shinyapps.io connect to Snowflake db? I see that in the shinyapps doc that snowflake isn't explicitly mentioned but the doc says that Rstudio pro drivers are available. In clicking through to rstudio pro drivers, snowflake (preview) is available. I tried dbConnect(odbc::odbc(), Driver = "Snowflake", Database=mydb, UID=********, PWD=*****) but when I run the app I get that "Can't open lib 'Snowflake' : file not found"

Is there a way to connect or am I wasting my time?