I have a PDF form which is to be opened through workspace. There are several fields out of which one is a dropdown which says "Assignto User". If the process initiator selects a particular user from the dropdown then that particular user when logs in to the workspace will see the task in the "to do" list. Other wise he/she can not. and how to assign a particular process to a partcular user in workspace? For ex: Lets say I have created a process and hosted it in workspace. Everyone can view it but only authorized person can start the process.
"Everyone can view it but only authorized person can start the process"
This cannot be done with Out of the Box features. The person who can views the form can also submit it.