- I don't think it will make a huge difference. make sure you are submitting accurate recommendation letters and be prepared for other documents earlier - You can save your application and continue later again.
To upload in the application, it may have ink signatures. However, when you're asked to submit all the required docs after passing your EPIK interview, the letters must have ink signatures from your references.
You will have to receive it physically from your recommenders. For the initial document, you can scan it and attach it to your application. But when you are asked to submit final documents, you will have to submit the original copies of ...
Yes, you would want to make sure the letter you submitted through the application is the same as the physical one you submit. Talk to your recruiter about submitting the updating the new letter.