To choose a single page in your embed, please follow these steps:
Visit your publication and locate the 'Embed' button positioned in the top right corner.
Click on the 'Embed' button to open the embedding options.
Select the "Advanced" settings from the available options.
Within the 'Advanced' settings, navigate to the 'Size' tab.
Look for the option to enable the single-page mode and activate it.
Once activated, your publication will be transformed into a single-page magazine layout.
Learn how to get a single-page magazine on Yumpu here