1. An unmanned autonomous vehicle (UAV) assessment system for visually presenting an analysis a roof of a structure, comprising: a receiver to receive data collected by at least one sensor on an unmanned autonomous vehicle, the data including scan data of at least a portion of a roof of a structure; an analyzer to identify a plurality of defects within a sample region of the roof of the structure based on the received scan data, wherein the sample region corresponds to a sub-portion of the roof and has a defined size characteristic; a visualization system to generate a visual presentation of: a visible sample region overlay marking visually identifying the sample region on at least a portion of the roof, and a plurality of visible defect overlay markings visually identifying at least some of the plurality of defects identified within the sample region.