The requirement is to have an effective tool at hand that can protect PDF documents with a password. This is particularly important when sensitive information such as legal agreements, financial data, and intellectual property are contained in the documents. In addition, the tool must offer the function to control the access permissions of the document, so that only authorized persons can view the relevant PDF document. It is therefore necessary that the tool is user-friendly, trustworthy, and time-saving. The selected tool should also be capable of ensuring the security of the documents from prying eyes.

The Protect PDF tool from PDF24 provides the ideal solution to the problem of document security. With its simple user interface, users can quickly and easily add a password to their important PDF documents for protection. In addition, the tool also allows the control of access permissions so that only authorized individuals have access to the documents. By using password protection, the tool ensures that sensitive data such as legal agreements, financial data, and intellectual property are protected against unwanted access. And since it is used by users worldwide, the tool also guarantees the reliability of the security. With its time-saving process, it saves users the effort and time usually required for manual protection. Therefore, the Protect PDF tool from PDF24 is the appropriate tool to effectively ensure the security and confidentiality of PDF documents.