Named 100BGQ015 and sized at 200 KB, this PDF is listed as a schematic but the part number fits a Schottky rectifier, so it is most likely the component datasheet. Look for the absolute maximum ratings, forward voltage curves and thermal data. Such information helps when a shorted or leaky Schottky in a supply output must be replaced and the original is unavailable. Open it in a standard PDF reader and match current, voltage and package before fitting any alternative to the board.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.