How to use TileMap in cocos creator (2.4.7)

I am new in game development. I am trying to create Ludo game using #TiledMap . i want to ask few things Related to TiledMap.

  1. Can i create child node in tile node of tilemap (Map i created using Tiled Software). i want to do this so that i will be able to add custom tile functionality to show stops tile of ludo game and arrange pawns.
  2. Alternative of getTileAt ( ) in version 2.4.7
  3. I tried to do point no. 1 but instantiated node was not in correct position.
  4. when to use tiledtile in tilemap.