There are two ways for you to turn images to PDF documents, here are the steps you can follow:

Convert Images to PDFs

1. Choose PDF Tools on the sidebar and tap Image to PDF, there you can take photos or import photos from Gallery;

2. Then click Finish, here you can adjust them, and click Done;

3. Then you can change the filters and edit the photos;

4. Click Done, the image files will be automatically saved as PDF.

Scan images to PDFs

1. Choose Scan on the sidebar and click  , there you can take photos or import photos from Gallery;

2. Then click Finish, here you can adjust them, and click Done;

3. Then you can change the filters and edit the photos;

4. After that, click and choose Store as PDF / Export as PDF;

5. Or you can click Done, then tap  and choose    Export to PDF.