Portable Document Format (PDF) documents are a popular format for creating, distributing and submitting forms. PDF forms offer a wide variety of form fields, including buttons, drop-down menus and text fields. Using a PDF writing program, form fields can be edited in a variety of ways, including the size and number of characters allowed in a field. By downloading and using a PDF writing application, such as Adobe LiveCycle, you can easily increase the character limit of a PDF form. Writer Bio
