Thanks for using Syncfusion Products.
We have analyzed your query. Based on your requirement, we request you to set the required height for the AbsoluteLayout to make the content scrollable or else add the AbsoluteLayout into StackLayout and set the StackLayout as the content of ScrollView. Also we have prepared a sample for your requirement to use scrollable AbsoluteLayout inside ScrollView. Please refer the sample from the following location,
Sample : http://www.syncfusion.com/downloads/support/forum/119909/ze/DataMarkerIcons-1455571797
Please let us know if you require further assistance on this we will be happy to assist you.