Tied the above record,output : Vendor:99ee8bcedb262e00077f7111cf96194bcatEnterprise Data Centersysid7d78b7dadba26e00077f7111cf961933

Do you have this role "assessment_admin"?

I have admin role

if you have admin role and you have access to see all the data.

is there already data present in the table or empty?

What is the field type of the assessment and category?

try with

gr.assessment_record = current.vendor.getDisplayValue();

gr.category = current.u_it_resource_subtower.getDisplayValue();