If the file is a .PDF format the "PDF Properties" Link will be present. Clicking on this link will bring up the PDF properties screen. 
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At this screen you can opt to allow the customer certain functionality with your .pdf file. Click in the check box to the right of the function you want to allow. Click on the "Save Changes" button when finished. The following is a short description of each function.
| Name | Description |
|---|---|
| Tag PDF with Order Information |
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| Embed the customer's name, email, and order ID in the header and footer margins of the document along with a watermark (all pages). | |
| Custom Header - (Optional) | Specify what information should be included in the header margin. You can use the following tags to insert order specific information: [NAME], [EMAIL], [ORDERID], [FIRSTNAME], [LASTNAME] |
| Custom Footer - (Optional) | Specify what information should be included in the footer margin. You can use the following tags to insert order specific information: [NAME], [EMAIL], [ORDERID], [FIRSTNAME], [LASTNAME] |
| Allow Printing |
...
| allows the user to print the document from Acrobat at their site. | |
| Allow Modification of Contents |
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| allows the user to modify the document using Adobe Software. | |
| Allow Copy & Paste |
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| Allows the user to copy & paste portions of the document into other applications like Microsoft Word. | |
| Allow Modification of Annotations |
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| Allows the end user to annotate (comments) the document using Adobe tools. | |
| Allow Form Fill-In |
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| Some PDF documents have forms embedded in them. Enabling these functions allows users to fill out the embedded forms using Adobe software. | |
| Allow Screen Readers |
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| Some vision impaired users have screen reading software that reads the document aloud (through computer speakers). | |
| Allow Degraded Printing |
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| Allows printing of the document at draft quality. | |
| Allow Assembly |
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| Allows the end user to integrate content from the purchased PDF file into other PDF documents. |