I am inserting excel spreadsheets into my large-format map using Insert -> Object -> Microsoft Excel Worksheet option, then cut-pasting the data and formatting it inside Excel. When I export the finished map, the font and lines of the uniformly-formatted spreadsheets vary in boldness (see example below). I am exporting into PDF at 400dpi (any more, and I am afraid the file size will become too massive). The map is intended for printing and sending to other parties. Any advice on how to rectify this situation?