PDF Viewer with Document from SharePoint Library Subfolder

I am trying to use the Power Apps PDF Viewer to view PDF files saved in a SharePoint library subfolder.

I getting and error on the 'Folder Path' portion of the formula.

The Library is structured and Folder / Subfolder / PDF files

If(Last(
    Split(
         Gallery1_2.Selected.'File name with extension',
        "."
        )
    ).Value = "pdf",
    "appres://datasources/Test%20Weekly%20Reports/table/4946647d-b0e8-4aee-aeea-93adb9ca9e9b/rows/27/reference/https:%2F%2Fmsmanaged-na.azure-apim.net%2Fapim%2Fsharepointonline%2F683d50a74a9041d1b673a00fc590ab9b%2Fdatasets%2Fhttps%25253a%25252f%25252fworthrosssupport.

sharepoint.com%25252fsites%25252fPropertyOperations%2FGetFileContentByPath%3Fpath=%252f" & 
EncodeUrl(Gallery1_2.Selected.'Folder Path' & Gallery1_2.Selected.'File name with extension'))

The source Gallery has the following in the Items property -Filter(colWeeklyReports,Report_Creator = Label7_15.Text)