The term "flatten PDF" refers to the process of taking the multiple layers of a PDF file and removing any interactive elements to create a "flat PDF". Follow the steps below to flatten a PDF, or click here to watch the video tutorial.
1. Click File on the menu bar and choose Save as Flattened PDF ;
2. Save the file as a flattened PDF;
3. Or click Share as Flattened PDF, then you can share the flattened file with others via Email.