You can remove or hide the Create or Edit Button by adding attributes to your form or tree in view.xml file:
<form string="NAMEOFFORM" create="false" edit="false" version="7.0"> ... </form>
This way "Edit" and "Create" are removed from view for all Users.
In case you inherit from an existing view:
<field name="arch" type="xml">
<xpath expr='//form[@string="Product"]' position='attributes'>
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