To embed a Google maps to a web story's page, click on Location in the elements toolbar on the right of the editing zone.
Then paste your embed link from Google maps in the text block on the right side from the side panel. The embed map will load automatically.
From the settings panel on the right, you can:
Change the position and size of the map.
Rotate the map.
Change the opacity of the map.
Add a border to your map and customize it with a color, the size and the radius.
Last but not least, you can add an animation to your map for when it appears.
You might find it useful:
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