Using this method to save your presentation as a PDF is great for those who want to print their slides out on paper for review, or optimizing the slides for note taking. You have two options when saving your presentation as a PDF, both are listed below.
While your presentation is open, go to File > Save As.
Select "PDF" in the "File Format" dropdown, and then click "Save".
An alternative way to save your presentation as a PDF is through Print Settings. You also have control over how many slides appear per page and different styles they appear in (for example: handouts for taking notes).
Go to File >> Print.
* If you do not want to save multiple slides on one page or a different styling, skip this step and proceed to Step 3 *
Make sure all the printing details are shown, if you do not see the following instructions, be sure to click on the "Show Details" button.
In order to have multiple slides/different styling, under the "Layout" Section, click the dropdown to set the slide count/style you prefer.
On the bottom left corner, choose "Save as PDF" from the PDF Dropdown.
Name your file, and then click "Save".