An Adobe Illustrator Script that helps to generate a list of PDF documents from template. Replaces %name% and %lastname% with items from data array then saves the result to PDF file.

badge-generator.js

var data = [
    ["John", "Doe"],
    ["James", "Brown"]
];
 
function main() {
    var firstName, lastName;

    for (var key in data) {		
        firstName = data[key][0];
        lastName = data[key][1];
        replaceData(firstName, lastName)
        var dest = "~/pdf/" + firstName + "_" + lastName + ".pdf";
        saveFileToPDF(dest);
        resetTemplate(firstName, lastName);
    }	
}
 
function saveFileToPDF (dest) {
    var doc = app.activeDocument;
    if ( app.documents.length > 0 ) {
        var saveName = new File ( dest );
        saveOpts = new PDFSaveOptions();
        saveOpts.compatibility = PDFCompatibility.ACROBAT5; 
        saveOpts.generateThumbnails = true; 
        saveOpts.preserveEditability = true;
        doc.saveAs( saveName, saveOpts );
    }
}
 
function replaceData(firstName, lastName) {
    var active_doc = app.activeDocument;

    var firstNamePattern = /%name%/g;
    var lastNamePattern = /%lastname%/g;
	 
    var textFrames = active_doc.textFrames;
	 
    if (textFrames.length > 0) {
        for (var i = 0 ; i < textFrames.length; i++) {
            var thisTextFrame = textFrames[i];
            var newString = thisTextFrame.contents.replace(firstNamePattern, firstName);
           
            if (newString != thisTextFrame.contents) {
                thisTextFrame.contents = newString;
            }
 
            newString = thisTextFrame.contents.replace(lastNamePattern, lastName);
           
            if (newString != thisTextFrame.contents) {
                thisTextFrame.contents = newString;
            }
        }    
    }
}
 
function resetTemplate(firstName, lastName) {
    var active_doc = app.activeDocument;

    var firstNamePattern = "%name%";
    var lastNamePattern = "%lastname%";
	 
    var textFrames = active_doc.textFrames;
	 
    if (textFrames.length > 0) {
        for (var i = 0 ; i < textFrames.length; i++) {
            var thisTextFrame = textFrames[i];
            var newString = thisTextFrame.contents.replace(firstName, firstNamePattern);
	           
            if (newString != thisTextFrame.contents) {
                thisTextFrame.contents = newString;
            }
 
            newString = thisTextFrame.contents.replace(lastName, lastNamePattern);
 
            if (newString != thisTextFrame.contents) {
                thisTextFrame.contents = newString;
            }
        }    
    }
}
 
var originalInteractionLevel = userInteractionLevel;
userInteractionLevel = UserInteractionLevel.DONTDISPLAYALERTS;
 
main();
 
userInteractionLevel = originalInteractionLevel;