Many organisations will require you to submit your job application online. This can involve creating an online login which will require your personal details, where you will upload your application documents. Alternatively it may in involve completing an online form and uploading your documents, then submitting the application.
Be sure to familiarise yourself with any online applications and their requirements, so you are aware of hose you will submit your application documents to an organisation.
Most applications will include a contact person or email, so if you are unsure about anything, you are able to get in touch with a representative from the organisation.