You could use this to download the pdfs.
Dim PDF_URL as string
#If VBA7 Then
Private Declare PtrSafe Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" ( _
ByVal pCaller As LongPtr, _
ByVal szURL As String, _
ByVal szFileName As String, _
ByVal dwReserved As LongPtr, _
ByVal lpfnCB As LongPtr) As LongPtr
#Else
Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" ( _
ByVal pCaller As Long, _
ByVal szURL As String, _
ByVal szFileName As String, _
ByVal dwReserved As Long, _
ByVal lpfnCB As Long) As Long
#End If
Private Sub File_Download()
Dim FileURL As String
Dim DestinationFile As String
FileURL = PDF_URL
DestinationFile = "C:\PDFs\PDFName.pdf"
If URLDownloadToFile(0, FileURL, DestinationFile, 0, 0) = 0 Then
Debug.Print "File downloaded started"
Else
Debug.Print "File downloaded not started"
End If
End Sub
Private Sub GetURL
PDF_URL = Chrome_Driver.FindElementById("EleID").Attribute("src")
File_Download
end sub