Portable Document Format or PDF files are documents that have been converted from printable source material, such as Microsoft Word or Excel files. PDF documents may be color or grayscale. PDF files ...

Portable Document Format (PDF) files are primarily created from printable source material, for example a Word document or PowerPoint presentation. The advantage of using PDF is that you do not need ...

EDIT: Ok, after going over the file again, trying all suggestions and ending up with double the size ... I think I need to convert it to black and white as opposed to grayscale. How is this done? I ...