This is available with the Contents Pane for the layout view in ArcGIS Pro.
I agree that this should be part of the core product, not an extension. But if you go through a few more pages from the link Chris provided, you find this:
Note: You can also change the draw order of elements by dragging and dropping them to a new location in the window.
投稿、コンテンツのフォローなどにはサインインしてください。初めてですか?無料で登録しましょう。