Option Explicit
Sub Sample()
Dim Feuille As Worksheet
Dim n As Long ', i As Long
Dim Chemin As String
Chemin = "C:\Users\camil\Desktop\Nouveau dossier\" ' mettre le nom du dossier où enregistrer les PDF
n = 0
For Each Feuille In ActiveWindow.SelectedSheets
Feuille.ExportAsFixedFormat Type:=xlTypePDF, Filename:=Chemin & Feuille.Name & ".pdf", Quality:= _
xlQualityStandard, IncludeDocProperties:=False, IgnorePrintAreas:=False, _
OpenAfterPublish:=False
Next
End Sub