This article refers to KML files. We encourage you review the articles Salesforce Maps - ArcGIS Connector for an alternative to KML files.
Now that you have uploaded your KML file to Salesforce, you are able to access and view it using the Salesforce Maps interface. To do so begin by opening Salesforce Maps in your browser.
Note: In order to plot the KML file inside Maps, a user must have access to Visualforce page maps.XMLDocumentAJAXResources.So, if they cannot plot it, please follow these steps to give them the access to the required VF page-
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