Loading tiles in ESRI ArcGIS 10.1+ as WMTS Service
1. Open ArcCatalog
3. Select Add WMTS Server
4. Enter Url path to WMTS, click Get Layers, select a layer and click OK
5. Right click on newly added WMTS service and select Connect
6. Choose a layer and drag and drop into the map view window
6. Map tiles are displayed in ArcGIS Desktop as a WMTS service