Open Adobe Acrobat on your computer:

At the top of the main screen, at the top of the "Recommended tools for you" section, find and select the blue See all tools text.

In the tools menu under Create is the prompt Combine Files. Select the Open button.

The screen below appears. This is the place where you add all the documents you want to combine. It can be in any Microsoft format or multiple PDFs/etc. (Example: Personnel Action, Performance Evaluation and Training Form can be combined into one document.)

Once you have selected all of the files you need to combine, drag and place them in the correct order:

Click the Combine button. Any document not originally a PDF will be converted automatically. Once the files are finished combining, you will notice that the document is called a Binder. Click File > Save As to change the name of the document.

This document is ready to be digitally signed.