Sometimes users try to scroll the page and reach google map they start dragging the map instead of scrolling page. Since the map takes up almost all of the screen they locked on the map and not able to scroll further down the page.
To disable “map draggable” option on google map please do following steps:

Disable map drag

Step 1Go to Add or Edit Map page.
Step 2 Check the box of ‘Map Draggable’ option in the ‘Map information’ section.

Disable Map Drag

Step 3 Click Save Map and see the changes.

Video Tutorial