1. Universality: PDFs can be opened on any device with Adobe Reader or other compatible software.

2. Consistency Across Systems: Since PDFs are not dependent on specific operating systems, they will always look the same regardless of which system they're viewed on.

3. Easy Sharing and Compatibility: The universal nature of PDF files makes them perfect for sharing documents across different platforms without worrying about compatibility issues that may arise with other file formats like ODT.

4. Secure Document Format: Once a document is saved as an image or text-based PDF, it becomes very difficult to modify its content without having access to the original source material – which adds another layer of security compared to editable formats such as Word .docx files!

5. Cross-Compatibility Across Devices:

- PDFs can be opened on any device with Adobe Reader or other compatible software.

- They will always look the same regardless of which system they're viewed on.

6. Versatility in Editing: While it's true that editing a PDF may not be as straightforward as working within an ODT file (since PDFs are designed to preserve layout), there are still ways to make changes if needed – although these might involve using third-party tools or software specifically designed for this purpose.

7. Security and Portability:

- Once saved, PDF files can't easily be altered without the original source being available.

- This makes them ideal for sharing sensitive information across different platforms while still maintaining some degree of control over how it's used once received.

In conclusion, if you want to ensure that your documents look exactly as intended on any device and operating system, regardless of whether they're opened using a Windows PC or an Android tablet running the latest version of their respective software applications (and beyond!), then converting them into PDF format should definitely be at the top of your priority list.

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