Adding to Andy David - MVP Based on the error code 53003, Your sign-in was successful but does not meet the criteria to access this resource and the access has been blocked by Conditional Access policies which is set by the organization.
As discussed, and reviewing the details of your tenant, you don't have enough roles to check the logs and change the Conditional Access policies, kindly reach the global admin of the tenant and inform that you are getting blocked by Conditional Access policies, so the admin can help you on this issue.
Hope this helps. Do let us know if you any further queries by responding in the comments section.
Thanks,
Akhilesh V.
If this answers your query, do click Accept Answer
and Yes
for was this answer helpful. And, if you have any further query do let us know.