The Copy Viewports to Other Sheets tool in the Adjusters group of the Project Process tool-set can help copy some viewports from the current sheet to others.
After the ribbon button is clicked, the tool asks to pick some viewports on the current sheet.
After the selection is finished, a dialog will pop up to asked for into which other sheets to copy the picked viewports.
If some other sheets are chosen and the OK button (with a green check mark) is pressed, the picked viewports will be copied to them accordingly. An information box will appear to show what have been done.
If the sheets M107 and M108 are empty as follows,
they will be populated with those picked viewports, as follows.
If the Cancel button (with a red cross symbol) is pressed, the dialog will be dismissed without anything done to the current model.