1. Add reference to "ByteScout QRCode SDK" ActiveX object to your database project (in menu Tools->References).
2. Put Picture object on the Details section of the report.
3. Handle the Format event of the Details section and set barcode image to the Picture control.

Option Compare Database

Dim BarCodeGenerator

Private Sub Report_Open(Cancel As Integer)

    ' Setup the barcode generator
    Set BarCodeGenerator = CreateObject("Bytescout.BarCode.QRCode")
    BarCodeGenerator.RegistrationName = "demo"
    BarCodeGenerator.RegistrationKey = "demo"
    
End Sub

Private Sub Detail_Format(Cancel As Integer, FormatCount As Integer)

    ' Set barcode value
    BarCodeGenerator.Value = Me.Field1
    ' Set generated barcode image to Picture object
    Me.BarcodeImage.PictureData = BarCodeGenerator.GetImageBytesPNG()
           
End Sub

Private Sub Report_Close()

    ' Cleanup
    Set BarCodeGenerator = Nothing

End Sub