Hello geehaa,
You must use "Upload" method to upload a file to Buzzsaw.
Please try the following code.
Dim PPsess As New PPSession
Dim flder As String
Dim pfile As String
PPsess.LogIn loginName, password, "https://webfolders.buzzsaw.com/Sitename"
flder = "/test/Cad/"
pfile = "IDR.lsp"
PPsess.Upload "C:\lisp\" & pfile, flder & pfile, APPLY_TO_RESOURCE_ONLY
PPsess.LogOut