You can use Trados Studio to translate both editable and non-editable PDFs (*.pdf extension).
To extract text from non-editable documents, the PDF file type uses Framework Technology software from Solid Documents (Solid OCR) to convert PDF to Word. The translator edits the Word document and also saves the target file as a Word document.
Video Tutorial
You can watch the following video tutorial to learn about configuring the options for PDF processing or follow the written instructions in the subtopics.