String dataDir = Utils.getSharedDataDir(ReplaceTextonAllPages.class) + "text/";

Map<String, String> replacements = new HashMap<String, String>();
replacements.put("2. Get organized", "New Text Here");

// Load the document into Aspose.Note.
LoadOptions options = new LoadOptions();
Document oneFile = new Document(dataDir + "Sample1.one", options);

// Get all RichText nodes
List<RichText> textNodes = (List<RichText>) oneFile.getChildNodes(RichText.class);// <RichText.class>();

// Traverse all nodes and compare text against the key text
for (RichText richText : textNodes) {
	for (String key : replacements.keySet()) {
		if (richText != null && richText.getText().contains(key)) {
			// Replace text of a shape
			richText.setText(richText.getText().replace(key, replacements.get(key)));
		}
	}
}

// Save to any supported file format
oneFile.save(dataDir + "ReplaceTextonAllPages_out.pdf", SaveFormat.Pdf);