Anabi DWGConverter can convert and view DWG, DXF, DWF, and DGN files. The application lets you zoom in, zoom out, and zoom extents. Also, it allows you to move, rotate, and orbit. It supports background color and 3D views. You can export your project to PDF, SVG, DWF, BMP, and DWG.
PDF Creator Pro for Mac allows you to convert and save files as PDF file format.
This app allows you to convert PDF to Word, PPT, Pages, etc. on Mac with OCR.