Export the whole document as a PDF or the active page as an image, and read client notes page by page beside the layout.
Export the whole document as a PDF the client can mark up, or the active page as an image.
Read client notes page by page beside the layout — a mark on page 7 comes back on page 7.
Submit for review without leaving the document, and pull an approved file back in as a link.
macOS and Windows · InDesign 16.0+